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The Ultimate Chewy Chocolate Chip Cookie Bars with Browned Butter

Two thick, gooey chocolate chip cookie bars stacked on a white plate, showing melted chocolate chips.
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Make thick, chewy chocolate chip cookie bars using browned butter for a deep, nutty flavor. This easy chocolate chip bar recipe bakes perfectly in one pan for a simple dessert.

Ingredients

Scale
  • 1 cup (2 sticks) unsalted butter
  • 1 cup packed light brown sugar
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1 tablespoon vanilla extract
  • 2 1/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 1/2 cups semi-sweet chocolate chips
  • 1/2 cup milk chocolate chips
  • 1 teaspoon flaky sea salt for topping (optional)

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper, leaving an overhang on the long sides for easy removal.
  2. Melt the butter in a saucepan over medium heat. Continue cooking, swirling often, until the butter foams, then brown bits form at the bottom and it smells nutty. This is browned butter. Immediately pour the browned butter into a large heatproof bowl and let it cool for 10 minutes.
  3. Add the brown sugar and granulated sugar to the cooled browned butter. Whisk until well combined.
  4. Beat in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
  5. In a separate medium bowl, whisk together the flour, baking soda, and salt.
  6. Gradually add the dry ingredients to the wet ingredients, mixing on low speed or by hand until just combined. Do not overmix.
  7. Fold in the semi-sweet and milk chocolate chips.
  8. Press the dough evenly into the prepared 9×13 inch pan. Sprinkle the top evenly with flaky sea salt, if using.
  9. Bake for 28 to 32 minutes. The edges should look set, and the center should look slightly underbaked. This ensures a gooey chocolate chip square texture.
  10. Let the bars cool completely in the pan on a wire rack before lifting them out using the parchment paper overhang.
  11. Cut into squares and serve your perfectly baked dessert bars.

Notes

  • Browning the butter adds depth; watch it closely to prevent burning.
  • For thicker bars, use an 8×8 inch pan and increase the baking time by about 10 to 15 minutes.
  • You can substitute any combination of chocolate chips you prefer for a different flavor profile.

Nutrition

Find it online: https://cookingbycarla.com/chocolate-chip-cookie-bars/