concepts
recipes

Recipes

Panda provides a way to write CSS-in-JS with better performance, developer experience, and composability.

Recipes are a way to create multi-variant styles with a type-safe runtime API.

A recipe consists of four properties:

  • base: The base styles for the component
  • variants: The different visual styles for the component
  • compoundVariants: The different combinations of variants for the component
  • defaultVariants: The default variant values for the component

Comparison table between the different types of recipes here: "Should I use atomic or config recipes ?"

Atomic Recipe (or cva)

Atomic recipes are a way to create multi-variant atomic styles with a type-safe runtime API.

They are defined using the cva function which was inspired by Class Variance Authority (opens in a new tab). The cva function which takes an object as its argument.

💡

Note: cva is not the same as Class Variance Authority (opens in a new tab). The cva from Panda is a purpose-built function for creating atomic recipes that are connected to your design tokens and utilities.

Defining the recipe

import { cva } from '../styled-system/css'
 
const button = cva({
  base: {
    display: 'flex'
  },
  variants: {
    visual: {
      solid: { bg: 'red.200', color: 'white' },
      outline: { borderWidth: '1px', borderColor: 'red.200' }
    },
    size: {
      sm: { padding: '4', fontSize: '12px' },
      lg: { padding: '8', fontSize: '24px' }
    }
  }
})

Using the recipe

The returned value from the cva function is a function that can be used to apply the recipe to a component. Here's an example of how to use the button recipe:

import { button } from './button'
 
const Button = () => {
  return <button className={button({ visual: 'solid', size: 'lg' })}>Click Me</button>
}

When a recipe is created, Panda will extract and generate CSS for every variant and compoundVariant css ahead of time, as atomic classes.

@layer utilities {
  .d_flex {
    display: flex;
  }
 
  .bg_red_200 {
    background-color: #fed7d7;
  }
 
  .color_white {
    color: #fff;
  }
 
  .border_width_1px {
    border-width: 1px;
  }
  /* ... */
}

Setting the default variants

The defaultVariants property is used to set the default variant values for the recipe. This is useful when you want to apply a variant by default. Here's an example of how to use defaultVariants:

import { cva } from '../styled-system/css'
 
const button = cva({
  base: {
    display: 'flex'
  },
  variants: {
    visual: {
      solid: { bg: 'red.200', color: 'white' },
      outline: { borderWidth: '1px', borderColor: 'red.200' }
    },
    size: {
      sm: { padding: '4', fontSize: '12px' },
      lg: { padding: '8', fontSize: '24px' }
    }
  },
  defaultVariants: {
    visual: 'solid',
    size: 'lg'
  }
})

Compound Variants

Compound variants are a way to combine multiple variants together to create more complex sets of styles. They are defined using the compoundVariants property , which takes an array of objects as its argument. Each object in the array represents a set of conditions that must be met in order for the corresponding styles to be applied.

Here's an example of how to use compoundVariants in Panda:

import { cva } from '../styled-system/css'
 
const button = cva({
  base: {
    padding: '8px 16px',
    borderRadius: '4px',
    fontSize: '16px',
    fontWeight: 'bold'
  },
 
  variants: {
    size: {
      small: {
        fontSize: '14px',
        padding: '4px 8px'
      },
      medium: {
        fontSize: '16px',
        padding: '8px 16px'
      },
      large: {
        fontSize: '18px',
        padding: '12px 24px'
      }
    },
    color: {
      primary: {
        backgroundColor: 'blue',
        color: 'white'
      },
      secondary: {
        backgroundColor: 'gray',
        color: 'black'
      }
    },
    disabled: {
      true: {
        opacity: 0.5,
        cursor: 'not-allowed'
      }
    }
  },
 
  // compound variants
  compoundVariants: [
    // apply when both small size and primary color are selected
    {
      size: 'small',
      color: 'primary',
      css: {
        border: '2px solid blue'
      }
    },
    // apply when both large size and secondary color are selected and the button is disabled
    {
      size: 'large',
      color: 'secondary',
      disabled: true,
      css: {
        backgroundColor: 'lightgray',
        color: 'darkgray',
        border: 'none'
      }
    },
    // apply when both small or medium size, and secondary color variants are applied
    {
      size: ['small', 'medium'],
      color: 'secondary',
      css: {
        fontWeight: 'extrabold'
      }
    }
  ]
})

Here's an example usage of the button recipe:

import { button } from './button'
 
const Button = () => {
  // will apply size: small, color: primary, css: { border: '2px solid blue' }
  return <button className={button({ size: 'small', color: 'primary' })}>Click Me</button>
}

Overall, using compound variants allows you to create more complex sets of styles that can be applied to your components based on multiple conditions.

By combining simple variants together in this way, you can create a wide range of visual styles without cluttering up your code with lots of conditional logic.

For config recipes (defineRecipe), see Using compound variants under Config Recipe.

TypeScript Guide

Panda provides two type utilities for inferring the variant types of a recipe: RecipeVariant and RecipeVariantProps.

Use RecipeVariant to infer the raw variant type of a recipe. Each variant key is required.

import { cva, type RecipeVariant } from '../styled-system/css'
 
const buttonStyle = cva({
  base: {
    color: 'red',
    textAlign: 'center'
  },
  variants: {
    size: {
      small: {
        fontSize: '1rem'
      },
      large: {
        fontSize: '2rem'
      }
    }
  }
})
 
export type ButtonVariants = RecipeVariant<typeof buttonStyle> 
// { size: 'small' | 'large' }

Use RecipeVariantProps when you want to use the recipe in JSX and need type safety for the variants as optional props.

import { styled } from '../styled-system/jsx'
import { cva, type RecipeVariantProps } from '../styled-system/css'
 
const buttonStyle = cva({
  base: {
    color: 'red',
    textAlign: 'center'
  },
  variants: {
    size: {
      small: {
        fontSize: '1rem'
      },
      large: {
        fontSize: '2rem'
      }
    }
  }
})
 
export type ButtonVariants = RecipeVariantProps<typeof buttonStyle>
// { size?: 'small' | 'large' | undefined } | undefined

Usage in JSX

You can create a JSX component from any existing atomic recipe by using the styled function from the /jsx entrypoint.

The styled function takes the element type as its first argument, and the recipe as its second argument.

💡

Make sure to add the jsxFramework option to your panda.config file, and run panda codegen to generate the JSX entrypoint.

import { cva } from '../styled-system/css'
import { styled } from '../styled-system/jsx'
 
const buttonStyle = cva({
  base: {
    color: 'red',
    textAlign: 'center'
  },
  variants: {
    size: {
      small: {
        fontSize: '1rem'
      },
      large: {
        fontSize: '2rem'
      }
    }
  }
})
 
const Button = styled('button', buttonStyle)

Then you can use the component in JSX

<Button size="large">Click me</Button>

Config Recipe

Config recipes are extracted and generated just in time, this means regardless of the number of recipes in the config, only the recipes and variants you use will exist in the generated CSS.

The config recipe takes the following additional properties:

  • className: The name of the recipe. Used in the generated class name
  • jsx: An array of JSX components that use the recipe. Defaults to the uppercase version of the recipe name
  • description: An optional description of the recipe (used in the js-doc comments)
💡

As of v0.9, the name property is removed in favor of className

Defining the recipe

To define a config recipe, import the defineRecipe helper function

button.recipe.ts

import { defineRecipe } from '@pandacss/dev'
 
export const buttonRecipe = defineRecipe({
  className: 'button',
  description: 'The styles for the Button component',
  base: {
    display: 'flex'
  },
  variants: {
    visual: {
      funky: { bg: 'red.200', color: 'white' },
      edgy: { border: '1px solid {colors.red.500}' }
    },
    size: {
      sm: { padding: '4', fontSize: '12px' },
      lg: { padding: '8', fontSize: '40px' }
    },
    shape: {
      square: { borderRadius: '0' },
      circle: { borderRadius: 'full' }
    }
  },
  defaultVariants: {
    visual: 'funky',
    size: 'sm',
    shape: 'circle'
  }
})

Adding recipe to config

To add the recipe to the config, you’d need to add it to the theme.recipes object.

panda.config.ts

import { defineConfig } from '@pandacss/dev'
import { buttonRecipe } from './button.recipe'
 
export default defineConfig({
  //...
  jsxFramework: 'react',
  theme: {
    extend: {
      recipes: {
        button: buttonRecipe
      }
    }
  }
})

Generate JS code

This generates a recipes folder the specified outdir which is styled-system by default. If Panda doesn’t automatically generate your CSS file, you can run the panda codegen command.

You only need to import the recipes into the component files where you need to use them.

Using the recipe

To use the recipe, you can import the recipe from the <outdir>/recipes entrypoint and use it in your component. Panda tracks the usage of the recipe and only generates CSS of the variants used in your application.

import { button } from '../styled-system/recipes'
 
function App() {
  return (
    <div>
      <button className={button()}>Click me</button>
      <button className={button({ shape: 'circle' })}>Click me</button>
    </div>
  )
}

The generated css is registered under the recipe cascade layer with the class name that matches the recipe-variant name pattern <recipe-className>--<variant-name>.

💡

Technical Notes 📝: Only the recipe and variants used in your application are generated. Not more!

@layer recipes {
  @layer base {
    .button {
      font-size: var(--font-sizes-lg);
    }
  }
 
  .button--visual-funky {
    background-color: var(--colors-red-200);
    color: var(--colors-white);
  }
 
  .button--size-lg {
    padding: var(--space-8);
    font-size: var(--font-sizes-40px);
  }
}

Dynamic variant props

Config recipes only emit CSS for variant values Panda can see at build time. button({ size }) still returns class names at runtime — but if that CSS was never generated, the styles won't apply.

  • button({ size: 'lg' }) → emits lg
  • button({ size: wide ? 'sm' : 'lg' }) → emits both branches
  • button({ size }) or <Button size={size} /> → emits defaultVariants only

When a variant comes from a prop or state, pre-generate it:

button.recipe.ts

export const buttonRecipe = defineRecipe({
  className: 'button',
  staticCss: ['*'] // or [{ size: ['sm', 'md', 'lg'] }]
})

Or add literal calls in stories/tests, or use string literals in the call itself.

Slot recipes follow the same rules — see slot recipes. More in static CSS.

Using compound variants

Apply styles when multiple variant props match. Same shape as cva — a flat css object on each entry:

input.recipe.ts

import { defineRecipe } from '@pandacss/dev'
 
export const inputRecipe = defineRecipe({
  className: 'input',
  base: {
    borderWidth: '1px',
    borderColor: 'gray.200',
    borderRadius: 'md'
  },
  variants: {
    size: {
      sm: { fontSize: 'sm' },
      md: { fontSize: 'md' }
    },
    variant: {
      outline: { bg: 'transparent' },
      filled: { bg: 'gray.100' }
    }
  },
  defaultVariants: {
    size: 'md',
    variant: 'outline'
  },
  compoundVariants: [
    {
      size: 'sm',
      variant: 'outline',
      css: { px: '2', py: '1' }
    },
    {
      size: 'md',
      variant: 'outline',
      css: { px: '3', py: '2' }
    }
  ]
})

panda.config.ts

theme: {
  extend: {
    recipes: {
      input: inputRecipe
    }
  }
}
import { input } from '../styled-system/recipes'
 
input({ size: 'sm', variant: 'outline' })
// → "input input--size_sm input--variant_outline px_2 py_1"

First extracted use atomizes every compound css object into @layer utilities:

@layer utilities {
  .px_2 {
    padding-inline: var(--spacing-2);
  }
  .py_1 {
    padding-block: var(--spacing-1);
  }
  .px_3 {
    padding-inline: var(--spacing-3);
  }
  .py_2 {
    padding-block: var(--spacing-2);
  }
}

Adding compoundVariants also drops responsive variant props. A recipe like datepicker without compounds keeps ConditionalValue:

// styled-system/recipes/date-picker.ts
export type DatePickerVariantProps = {
  size?: ConditionalValue<'sm' | 'md'>
}
datePicker({ size: { base: 'sm', md: 'lg' } }) // ✅

input above accepts plain literals only:

// styled-system/recipes/input.ts
export type InputVariantProps = {
  size?: 'sm' | 'md'
}
input({ size: { base: 'sm', md: 'lg' } })
// ❌ [recipe:input:size] Conditions are not supported when using compound variants.

At runtime, only the matching combo merges via getCompoundVariantCss:

input({ size: 'sm', variant: 'outline' })
// "input input--size_sm input--variant_outline px_2 py_1"
 
input({ size: 'md', variant: 'outline' })
// "input input--size_md input--variant_outline px_3 py_2"

Runtime-only combos need staticCss. Run pnpm panda codegen after editing the recipe.

Responsive and Conditional variants

Pass breakpoint objects to variant props instead of a single value. Generated types use ConditionalValue.

This only works when:

import { button } from '../styled-system/recipes'
 
function App() {
  return (
    <div>
      <button className={button({ size: { base: 'sm', md: 'lg' } })}>Click me</button>
    </div>
  )
}
💡

In most cases, we don't recommend applying conditional variants inline. Ideally, you might want to render different views for your responsive breakpoints.

TypeScript Guide

Every recipe ships a type interface for its accepted variants. You can import them from the styled-system/recipes entrypoint.

For the button recipe, we can import the ButtonVariants type like so:

import React from 'react'
import type { ButtonVariants } from '../styled-system/recipes'
 
type ButtonProps = ButtonVariants & {
  children: React.ReactNode
}

Usage in JSX

Layer recipes can be consumed directly in your custom JSX components. Panda will automatically track the usage of the recipe if the component name matches the recipe name.

For example, if your recipe is called button and you create a Button component from it, Panda will automatically track the usage of the variant properties.

import React from 'react'
import { button, type ButtonVariants } from '../styled-system/recipes'
 
type ButtonProps = ButtonVariants & {
  children: React.ReactNode
}
 
const Button = (props: ButtonProps) => {
  const { children, size } = props
  return (
    <button {...props} className={button({ size })}>
      {children}
    </button>
  )
}
 
const App = () => {
  return (
    <div>
      <Button size="lg">Click me</Button>
    </div>
  )
}

Advanced JSX Tracking

We recommend that you use the recipe functions in most cases, in design systems there might be a need to compose existing components (like Button) to create new components.

To track the usage of the recipes in these cases, you'll need to add the jsx hint for the recipe config

button.recipe.ts

import { defineRecipe } from '@pandacss/dev'
 
const button = defineRecipe({
  base: {
    color: 'red',
    fontSize: '1.5rem'
  },
  variants: {
    // ...
  },
  // Add the jsx hint to track the usage of the recipe in JSX, you can use regex to match multiple components
  jsx: ['Button', 'PageButton']
})

Then you can create a new component that uses the Button component and Panda will track the usage of the button recipe as well.

const PageButton = (props: ButtonProps) => {
  const { children, size } = props
  return (
    <Button {...props} size={size}>
      {children}
    </Button>
  )
}

Extending a preset recipe

If you're using a recipe from a preset, you can still extend it in your config.

import { defineConfig } from '@pandacss/dev'
 
export default defineConfig({
  //...
  jsxFramework: 'react',
  theme: {
    extend: {
      recipes: {
        button: {
          className: 'something-else', // 👈 override the className
          base: {
            color: 'red', // 👈 replace some part of the recipe
            fontSize: '1.5rem' // or add new styles
          },
          variants: {
            // ... // 👈 add or extend new variants
          },
          jsx: ['Button', 'PageButton'] // 👈 extend the jsx tracking hint
        }
      }
    }
  }
})

Learn more about the extend keyword.

Methods and Properties

Both atomic and config recipe ships a helper methods and properties that can be used to get information about the recipe.

  • variantKeys: An array of the recipe variant keys
  • variantMap: An object of the recipe variant keys and their values
  • splitVariantProps: A function that takes an object as its argument and returns an array containing the recipe variant props and the rest of the props
import { cva } from '../styled-system/css'
 
const buttonRecipe = cva({
  base: {
    color: 'red',
    fontSize: '1.5rem'
  },
  variants: {
    size: {
      sm: {
        fontSize: '1rem'
      },
      md: {
        fontSize: '2rem'
      }
    }
  }
})
 
buttonRecipe.variantKeys
// => ['size']
 
buttonRecipe.variantMap
// => { size: ['sm', 'md'] }
 
buttonRecipe.splitVariantProps({ size: 'sm', onClick() {} })
// => [{ size: 'sm'}, { onClick() {} }]

These methods and properties are useful when creating custom components or writing Storybook stories for your recipes.

Here's a Storybook example.

button.stories.tsx

import { Button, buttonRecipe } from './components/button'
 
export default {
  title: 'Button',
  component: Button,
  argTypes: {
    size: {
      control: {
        type: 'select',
        options: buttonRecipe.variantMap.size
      }
    }
  }
}
 
export const Demo = {
  render: args => <Button {...args}>Click me</Button>
}

Best Practices

  • Leverage css variables in the base styles as much as possible. Makes it easier to theme the component with JS
  • Don't mix styles by writing complex selectors. Separate concerns and group them in logical variants
  • Use the compoundVariants property to create more complex sets of styles

Limitations

  • cva: no responsive variant props. Config recipes: yes, unless compoundVariants is set — see above.

  • Due to static nature of Panda, it's not possible to track the usage of the recipes in all cases. Here are some of use cases that Panda won't be able to track the usage of the recipe variants:

    When you change the name of the variant prop in the JSX component

    In below example, the size prop is renamed to buttonSize

    const Button = ({ buttonSize, children }) => {
      return (
        <button {...props} className={button({ size: buttonSize })}>
          {children}
        </button>
      )
    }

    When you use the recipe in a custom component that is not named as per the recipe name, Panda won't be able to track the usage of the recipe variants.

    In below example, the component name Button is renamed to Random and we are using button recipe.

    const Random = ({ size, children }) => {
      return (
        <button {...props} className={button({ size })}>
          {children}
        </button>
      )
    }

Static CSS

Use staticCss to pre-generate recipe CSS Panda can't extract — including dynamic variant props. See Generating recipes.

Should I use atomic or config recipes ?

Config recipes are JIT — Panda only emits variants it finds in your code. cva recipes live anywhere in the app, so every variant is generated up front.

Use config recipes for design-system components and leaner CSS. Use cva for colocation and runtime merging.

Config recipeAtomic recipe (cva)
Theme tokens, utilities, conditions
JIT — CSS for variants used in code❌ all variants always
Shareable in a preset
Responsive variant props✅ without compoundVariants
Colocate with components❌ define in config
Atomic utility classes❌ named recipe classes
Runtime merge with css()❌ use cx for classes.raw() + css()