Brownie Cookie Bars (Layered Brownie and Cookie Bar)
Brookie bars layer cookie dough and brownie batter in a single baking pan, delivering two distinct desserts in every bite. The bottom cookie layer, built on brown sugar and butter, bakes into a chewy, golden base with caramel undertones and crisp edges. The brownie layer on top combines cocoa powder and dark chocolate chips for a concentrated chocolate intensity that stays fudgy and dense. Where the two layers meet, they merge slightly, creating a transition zone where the cookie's vanilla-butter warmth blends into the brownie's bitter chocolate. The bars must cool completely before slicing to hold their neat, stacked profile.
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Instructions
- 1
Preheat oven to 175°C and line a square pan with parchment paper.
- 2
Cream half the butter with brown sugar for cookie dough, then mix in 1 egg.
- 3
Add 90 g flour, baking powder, salt, and half the chips to finish cookie dough.
- 4
Mix remaining butter, granulated sugar, and 1 egg; add cocoa, 80 g flour, and remaining chips for brownie batter.
- 5
Spread brownie batter in pan and dollop cookie dough on top for a marbled layer.
- 6
Bake at 175°C for 28–30 minutes; remove when center is slightly fudgy, then cool fully before slicing.
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