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Brown Butter Brookies

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A delightful mash-up of gooey brownies and chewy chocolate chip cookies, these Brown Butter Brookies are elevated by the magic of brown butter for a rich and nutty flavor.

Ingredients

Scale
  • 14.5 tbsp salted butter (206 grams)
  • 3/4 cup dark brown sugar, packed (163 grams)
  • 3/4 cup granulated sugar (156 grams)
  • 2 large eggs, at room temperature
  • 1 and 1/2 tsp vanilla extract
  • 3 cups all-purpose flour, spooned & leveled (390 grams)
  • 1 tsp baking soda
  • 1 tsp baking powder
  • 1/2 tsp salt
  • 1 and 1/2 cups chocolate chips
  • 3/4 cup salted butter, cubed (170 grams before browning, 140 grams after)
  • 4 ounces semi-sweet chocolate, chopped
  • 1/4 cup vegetable oil (56 mL)
  • 3/4 cup cocoa powder (63 grams)
  • 3 large eggs, at room temperature
  • 1 large egg yolk, at room temperature
  • 3/4 cup granulated sugar (158 grams)
  • 1 and 1/2 cups powdered sugar (174 grams)
  • 2 tsp vanilla extract
  • 1/4 tsp salt
  • 1/2 cup all-purpose flour (65 grams)
  • Pinch of espresso powder (optional)
  • 1 cup semi-sweet chocolate chips
  • Flaky sea salt, optional

Instructions

  1. Preheat your oven to 350℉. Spray a 9×13 metal pan with nonstick spray and line it with parchment paper.
  2. Melt 14.5 tbsp of salted butter in a large mixing bowl. Whisk in the dark brown sugar and granulated sugar until combined. Then, add the eggs and vanilla, whisking until smooth.
  3. In a medium saucepan, add 3/4 cup cubed butter over medium heat. Cook, stirring frequently, until the butter turns a deep golden shade.
  4. Stir in 4 ounces of chopped semi-sweet chocolate into the browned butter until melted. Whisk in the vegetable oil and cocoa powder, then let it cool slightly.
  5. Add 3 large eggs and an egg yolk along with 3/4 cup granulated sugar in a new mixing bowl, whisking until smooth.
  6. Whisk in 1 and 1/2 cups powdered sugar, 2 tsp vanilla, and 1/4 tsp salt. Then, fold in the flour and espresso powder (if using) along with the remaining chocolate chips.
  7. Spread slightly more than half of the brownie batter into the prepared pan. Lay the cookie dough on top, then spread the remaining brownie batter over it.
  8. Bake for 38 to 44 minutes until golden. Insert a toothpick to check for doneness.
  9. Remove from the oven and let it cool on a wire rack for 1-2 hours before slicing. Sprinkle with flaky sea salt if desired.

Notes

Serve warm with ice cream or drizzle with caramel sauce for extra indulgence.

Nutrition

Find it online: https://delishrecipezbylucy.com/brown-butter-brookies/

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