7Prepare the cookie layer: Mix flour, baking soda, and salt.
8Prepare the cookie layer: Mix flour, baking soda, and salt.
9Prepare the cookie layer: Mix flour, baking soda, and salt.
10Set aside the dry ingredients for the cookie layer.
11Set aside the dry ingredients for the cookie layer.
12Set aside the dry ingredients for the cookie layer.
13Combine melted butter, brown and granulated sugar, egg, and vanilla for the cookie layer.
14Combine melted butter, brown and granulated sugar, egg, and vanilla for the cookie layer.
15Combine melted butter, brown and granulated sugar, egg, and vanilla for the cookie layer.
16Whisk until smooth and fluffy for about 2-3 min for the cookie layer.
17Whisk until smooth and fluffy for about 2-3 min for the cookie layer.
18Whisk until smooth and fluffy for about 2-3 min for the cookie layer.
19Add dry ingredients and chocolate chips to the wet ingredients for the cookie layer.
20Add dry ingredients and chocolate chips to the wet ingredients for the cookie layer.
21Add dry ingredients and chocolate chips to the wet ingredients for the cookie layer.
22Mix until just combined for the cookie layer.
23Mix until just combined for the cookie layer.
24Mix until just combined for the cookie layer.
25Prepare the brownie layer: Melt butter in a saucepan over medium-low heat.
26Prepare the brownie layer: Melt butter in a saucepan over medium-low heat.
27Prepare the brownie layer: Melt butter in a saucepan over medium-low heat.
28Stir every 10 seconds until foamy (6-8 minutes).
29Stir every 10 seconds until foamy (6-8 minutes).
30Stir every 10 seconds until foamy (6-8 minutes).
31Continue until milk solids turn golden brown and smell nutty.
32Continue until milk solids turn golden brown and smell nutty.
33Continue until milk solids turn golden brown and smell nutty.
34Transfer browned butter to a heatproof bowl.
35Transfer browned butter to a heatproof bowl.
36Transfer browned butter to a heatproof bowl.
37Add cocoa powder, oil, vanilla, and chopped chocolate to the browned butter; mix until smooth.
38Add cocoa powder, oil, vanilla, and chopped chocolate to the browned butter; mix until smooth.
39Add cocoa powder, oil, vanilla, and chopped chocolate to the browned butter; mix until smooth.
40In a separate bowl Whisk 3 eggs and light brown sugar for 5-6 minutes until dissolved.
41In a separate bowl Whisk 3 eggs and light brown sugar for 5-6 minutes until dissolved.
42In a separate bowl Whisk 3 eggs and light brown sugar for 5-6 minutes until dissolved.
43Add powdered sugar; mix 1-2 minutes until combined.
44Add powdered sugar; mix 1-2 minutes until combined.
45Add powdered sugar; mix 1-2 minutes until combined.
46Add cooled browned butter mixture; mix until smooth.
47Add cooled browned butter mixture; mix until smooth.
48Add cooled browned butter mixture; mix until smooth.
49Add flour and chocolate chips; mix until well combined.
50Add flour and chocolate chips; mix until well combined.
51Add flour and chocolate chips; mix until well combined.
52Layer the cookie and brownie batters in the prepared pan.
53Layer the cookie and brownie batters in the prepared pan.
54Layer the cookie and brownie batters in the prepared pan.
55Bake for 50-55 minutes or until the edges are golden and center is a little jiggly.
56Bake for 50-55 minutes or until the edges are golden and center is a little jiggly.
57Bake for 50-55 minutes or until the edges are golden and center is a little jiggly.
58Let cool completely before cutting into brookies.
59Let cool completely before cutting into brookies.
60Let cool completely before cutting into brookies.
Ingredients
0.5 cups unsalted butter, melted and cooled
0.5 cups unsalted butter, melted and cooled
0.5 cups unsalted butter, melted and cooled
0.5 cup light brown sugar
0.5 cup light brown sugar
0.5 cup light brown sugar
0.33 cup granulated sugar
0.33 cup granulated sugar
0.33 cup granulated sugar
1 large egg, room temp
1 large egg, room temp
1 large egg, room temp
1 tbsp vanilla extract
1 tbsp vanilla extract
1 tbsp vanilla extract
1.25 cups all-purpose flour, spooned and leveled
1.25 cups all-purpose flour, spooned and leveled
1.25 cups all-purpose flour, spooned and leveled
0.5 tsp baking soda
0.5 tsp baking soda
0.5 tsp baking soda
0.5 tsp flaky sea salt
0.5 tsp flaky sea salt
0.5 tsp flaky sea salt
1.5 cups semi-sweet chocolate chips
1.5 cups semi-sweet chocolate chips
1.5 cups semi-sweet chocolate chips
1 cup unsalted butter
1 cup unsalted butter
1 cup unsalted butter
0.5 cup Dutch-processed cocoa powder
0.5 cup Dutch-processed cocoa powder
0.5 cup Dutch-processed cocoa powder
1 tsp vanilla
1 tsp vanilla
1 tsp vanilla
0.5 cup light brown sugar, spooned and leveled
0.5 cup light brown sugar, spooned and leveled
0.5 cup light brown sugar, spooned and leveled
1.75 cup powdered sugar
1.75 cup powdered sugar
1.75 cup powdered sugar
0.75 cup semi-sweet chocolate chips
0.75 cup semi-sweet chocolate chips
0.75 cup semi-sweet chocolate chips
0.33 cup semi-sweet chocolate, chopped
0.33 cup semi-sweet chocolate, chopped
0.33 cup semi-sweet chocolate, chopped
3 eggs, room temp
3 eggs, room temp
3 eggs, room temp
0.5 cup all-purpose flour
0.5 cup all-purpose flour
0.5 cup all-purpose flour
1 Pinch salt
1 Pinch salt
1 Pinch salt
3 tbsp olive oil
3 tbsp olive oil
3 tbsp olive oil
Equipment
8x8 inch panparchment papersaucepanheatproof bowl
Tips
Dissolving sugar in eggs ensures a crackly top.
You can adjust the layering to your preference, either by layering the cookie dough on top of the brownie batter or vice versa, or by creating a marbled effect by swirling the two batters together.