Rich, fudgy brownies topped with chewy chocolate chip cookie dough, both made with nutty browned butter. The ultimate indulgent dessert bar.
Brownie Layer:
½ cup browned butter
½ cup brown sugar
¼ cup white sugar
1 egg + 1 yolk
1 tsp vanilla
½ cup cocoa powder
⅓ cup all-purpose flour
¼ tsp salt
¼ cup chocolate chips (optional)
Cookie Layer:
½ cup browned butter (softened)
⅓ cup brown sugar
2 tbsp white sugar
1 egg yolk
½ tsp vanilla
½ cup all-purpose flour
¼ tsp baking soda
Pinch of salt
⅓ cup chocolate chips
Brown 1 cup butter, cool, and divide into two ½-cup portions.
Make brownie batter by mixing butter, sugars, eggs, vanilla, cocoa, flour, and chips.
Make cookie dough by creaming browned butter, sugars, yolk, vanilla, dry ingredients, and chips.
Spread brownie layer in an 8×8 pan. Spoon cookie dough over top.
Bake at 350°F for 26–30 minutes. Cool before slicing.
Store up to 3 days at room temp or freeze 2 months. Add nuts, espresso powder, or sea salt for extra flavor.