Description
A delicious layer of chewy chocolate chip cookie dough and rich brownie batter, enhanced by the nutty aroma of brown butter.
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
Instructions
- Preheat your oven to 350°F (175°C) and grease a 9×13 metal pan.
- Make the Cookie Dough: Melt 14.5 tablespoons of salted butter in a large mixing bowl. Whisk in dark brown sugar and granulated sugar until smooth, then beat in eggs and vanilla extract.
- Stir in flour, baking soda, baking powder, and salt, then fold in chocolate chips.
- Press half of the cookie dough into the prepared pan.
- Brown the Butter: In a saucepan, melt cubed butter over medium heat until deep golden and nutty.
- In another bowl, combine eggs, egg yolk, and sugar, whisking until smooth. Mix in cooled chocolate mixture.
- Fold in flour, espresso powder, and remaining chocolate chips.
- Spread more than half of the brownie batter over cookie layer. Layer remaining cookie dough, then brownie batter on top.
- Bake for 38-44 minutes until golden; a toothpick should come out with moist crumbs.
- Let cool in pan for 1-2 hours before cutting into bars and serving.
Notes
Chill the cookie dough before assembly for thicker cookies. Sprinkle flaky sea salt on top for added flavor.
- Prep Time: 20 minutes
- Cook Time: 44 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 360
- Sugar: 28g
- Sodium: 300mg
- Fat: 15g
- Saturated Fat: 8g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 48g
- Fiber: 2g
- Protein: 4g
- Cholesterol: 60mg
Keywords: brownies, cookies, dessert, chocolate, baking