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Brown Butter Chocolate Chip Cookie Bars Recipe


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4.2 from 9 reviews

  • Author: Molly
  • Total Time: 1 hour including cooling
  • Yield: 16 bars

Description

These Brown Butter Chocolate Chip Cookie Bars are rich, chewy, and filled with the deep, nutty flavor of browned butter combined with gooey semisweet chocolate chips. Perfectly baked in a square pan for easy slicing, these bars offer a delightful twist on the classic cookie with a hint of flaky sea salt on top to enhance flavors.


Ingredients

Butter

  • 1/2 cup (110g) + 1 tbsp unsalted butter*

Sugars

  • 1/2 cup (100g) dark brown sugar, packed
  • 1/4 cup (50g) granulated sugar

Wet Ingredients

  • 1 large egg
  • 1 1/2 tsp vanilla bean paste

Dry Ingredients

  • 1 1/4 cups (165g) all purpose flour
  • 1/2 tsp baking powder
  • 3/4 tsp kosher salt

Add-ins & Toppings

  • 1 cup (185g) semisweet chocolate chips, plus more for sprinkling on top
  • Flaky sea salt, for sprinkling


Instructions

  1. Brown the Butter: Place 1/2 cup of unsalted butter in a saucepan over medium heat. Stir constantly as the butter melts, becoming bubbly and loud, then turning quiet and frothy. Continue watching carefully until the butter turns a golden amber color and releases a nutty aroma, then immediately remove from heat.
  2. Measure and Cool Butter: Pour the browned butter into a measuring glass. Add the remaining 1 tablespoon of butter to make an exact 1/2 cup measurement, which may require slightly more or less butter. Transfer to the refrigerator to cool while preparing other ingredients.
  3. Prepare Baking Pan and Oven: Preheat oven to 350°F (175°C). Grease and line an 8×8 inch square baking dish with parchment paper, allowing the paper to hang over sides for easy removal.
  4. Mix Dry Ingredients: In a small bowl, whisk together the all-purpose flour, baking powder, and kosher salt. Set aside.
  5. Combine Sugars and Butter: In a large mixing bowl, whisk together the dark brown sugar, granulated sugar, and the cooled browned butter. It is fine if the butter is slightly warm but not hot.
  6. Add Egg and Vanilla: Whisk the vanilla bean paste and egg into the butter and sugar mixture until incorporated.
  7. Incorporate Dry Ingredients: Switch to a rubber spatula and gently fold in the dry ingredients. When some flour patches remain, add in the semisweet chocolate chips.
  8. Fold Dough and Prepare to Bake: Fold the dough until combined. Spread the dough evenly into the prepared baking pan. Sprinkle additional chocolate chips over the surface and gently press them into the dough.
  9. Bake Bars: Bake in the preheated oven for 25-30 minutes, until the edges turn a light golden brown and the center appears evenly puffed but slightly soft.
  10. Add Sea Salt and Cool: Immediately after removing from the oven, sprinkle the top with flaky sea salt.
  11. Cool Bars: Allow the bars to cool in the pan at room temperature for about 45 minutes, or place in the refrigerator to chill faster.
  12. Slice and Serve: Once cooled but still slightly warm, lift the bars out of the pan using the parchment paper overhang. Slice into 16 squares and enjoy!

Notes

  • Make sure the browned butter is cooled to avoid cooking the egg when mixing.
  • The sea salt topping enhances the sweetness and chocolate flavors.
  • You can speed up the cooling process by refrigerating the bars before slicing.
  • Adjust baking time slightly depending on your oven; bars should be soft in the center but firm at edges.
  • Using parchment paper makes removal and slicing much easier and cleaner.
  • Prep Time: 15 minutes
  • Cook Time: 25-30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American