Brookies (Brownie-Cookie Bars)

Ingredients

• 12 cup all-purpose flour(250g)
• 21 cup unsalted butter(227g)
• 31.5 cup granulated sugar(300g)
• 41 cup brown sugar(220g)
• 50.75 cup cocoa powder(75g)
• 61 cup chocolate chips(170g)
• 73 eggs(150g)
• 82 teaspoon vanilla extract(10g)
• 91 teaspoon baking powder(4g)
• 100.5 teaspoon salt(3g)

Instructions

1. 1Preheat oven to 350°F (175°C). Grease a baking pan.
2. 2Prepare the brownie batter: In a bowl, mix 0.75 cup cocoa powder, 1 cup granulated sugar, 0.5 cup brown sugar, 0.5 cup melted butter, 2 eggs, and 1 teaspoon vanilla extract. Stir in 1 cup flour and 0.5 teaspoon salt until combined.
3. 3Prepare the cookie dough: In another bowl, cream 0.5 cup butter with 0.5 cup granulated sugar and 0.5 cup brown sugar. Add 1 egg and 1 teaspoon vanilla extract. Mix in 1 cup flour, 1 teaspoon baking powder, and 0.5 teaspoon salt. Fold in 1 cup chocolate chips.
4. 4Spread the brownie batter evenly in the prepared pan.
5. 5Drop spoonfuls of cookie dough over the brownie batter and gently spread.
6. 6Bake for 25-30 minutes or until a toothpick inserted comes out mostly clean.
7. 7Cool completely before cutting into squares and serving.