Brown Butter Brookies with Marbled Chocolate Swirls
A decadent layered dessert combining fudgy brownies with chewy, nutty cookies, enhanced with aromatic brown butter.
- Prep Time: 20 minutes
- Cook Time: 35 minutes
- Total Time: 55 minutes
- Yield: 16 servings
Ingredients
Brownie Layer:
8 ounces semi-sweet chocolate, chopped
1/2 cup unsalted butter
3/4 cup granulated sugar
1/4 cup brown sugar, packed
2 large eggs
1 teaspoon vanilla extract
1/2 cup all-purpose flour
1/4 cup unsweetened cocoa powder
1/4 teaspoon salt
Cookie Layer:
1/2 cup unsalted butter
1/4 cup brown butter (melted until nutty and fragrant)
1/2 cup brown sugar, packed
1/4 cup granulated sugar
1 large egg
1 teaspoon vanilla extract
1 cup all-purpose flour
1/4 teaspoon baking soda
1/4 teaspoon salt
3/4 cup chocolate chips or chunks
1/2 cup chopped walnuts or pecans (optional)
Instructions
- Preheat oven to 350°F (175°C) and line a 9×9-inch pan with parchment paper.
- Prepare brownie layer: melt butter and chocolate, mix with eggs and sugars, fold in flour, cocoa, and salt, pour into pan.
- Prepare cookie layer: brown butter, beat with sugars, egg, and vanilla, fold in flour, baking soda, salt, chocolate chips, and nuts.
- Drop cookie dough over brownie layer evenly.
- Bake 30–35 minutes, rotating halfway.
- Cool 20–25 minutes before slicing.
Notes
Can add caramel swirls, nuts, or different chocolate types; underbake slightly for fudgier brookies.