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Ultimate Customizable Kitchen Sink Cookies

A stack of freshly baked kitchen sink cookies loaded with chocolate chips and colorful candy pieces on a white plate.

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Make these ultimate kitchen sink cookies packed with sweet and salty mix-ins. This recipe yields chewy centers and crispy edges, perfect for any occasion, including holiday baking.

Ingredients

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  • 1 cup unsalted butter, softened
  • ¾ cup granulated sugar
  • ¾ cup packed brown sugar
  • 2 large eggs
  • 1 tablespoon vanilla extract
  • 2 ¼ cups all-purpose flour
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • 1 cup semi-sweet chocolate chips
  • 1 cup white chocolate chips
  • 1 cup M&M’s candies (or holiday colors for variation)
  • 1 cup crushed pretzels
  • 1 cup potato chips, lightly crushed
  • ½ cup sprinkles (optional, use holiday colors for Christmas cookies)

Instructions

  1. Preheat your oven to 350°F (175°C). Line baking sheets with parchment paper.
  2. In a large bowl, cream together the softened butter, granulated sugar, and brown sugar until light and fluffy.
  3. Beat in the eggs one at a time, then mix in the vanilla extract.
  4. In a separate bowl, whisk together the flour, baking soda, and salt. Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
  5. Fold in all your mix-ins: chocolate chips, white chocolate chips, M&M’s, crushed pretzels, crushed potato chips, and sprinkles.
  6. Drop rounded tablespoons of dough onto the prepared baking sheets, spacing them about 2 inches apart.
  7. Bake for 10 to 12 minutes, or until the edges are golden brown and the centers look slightly underdone for a chewy texture.
  8. Let the cookies cool on the baking sheets for 5 minutes before transferring them to a wire rack to cool completely.

Notes

  • For the chewiest cookies, chill the dough for at least 30 minutes before baking.
  • Customize your mix-ins based on preference; use oatmeal, different chips, or nuts.
  • For a holiday version, use only red and green M&M’s and festive sprinkles.
  • If you want extra crispy edges, slightly flatten the dough balls before baking.

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