Brown Butter Brookies combine a chewy cookie top with a fudgy brownie bottom, enhanced by nutty brown butter for a decadent dessert.
1/2 cup unsalted butter
1/2 cup light brown sugar, packed
1/4 cup granulated sugar
1 large egg
1 teaspoon vanilla extract
1 cup all-purpose flour
1/2 teaspoon baking soda
1/4 teaspoon salt
1 cup semi-sweet chocolate chips
1/2 cup unsalted butter
1/2 cup granulated sugar
1/4 cup packed brown sugar
2 large eggs
1 teaspoon vanilla extract
1/3 cup unsweetened cocoa powder
1/2 cup all-purpose flour
1/4 teaspoon salt
1/2 cup semi-sweet chocolate chunks
Brown 1/2 cup butter for cookie layer until nutty and golden.
Mix in sugars, egg, and vanilla; fold in flour, baking soda, salt, and chocolate chips.
Melt remaining 1/2 cup butter for brownie layer; whisk in sugars, eggs, vanilla.
Fold in cocoa powder, flour, salt, and chocolate chunks.
Preheat oven to 350°F (175°C) and line an 8×8-inch pan.
Spread brownie batter evenly; drop cookie dough on top.
Bake 30–35 minutes; allow to cool before cutting.
Optional mix-ins include nuts, peanut butter, caramel swirls, or extra chocolate chunks. Vegan and gluten-free adaptations are possible.