Prepare the brownie layer: In a medium saucepan, combine the butter and sugar and heat over medium until the butter is melted. Remove from heat and whisk vigorously until combined
Once that has cooled, whisk in the eggs one at a time. Then, whisk in the vanilla
Add the flour, cocoa powder, baking powder and salt. Stir well to combine, Transfer to a medium bowl
To prepare the cookie batter: Wash and dry the saucepan. Combine the. butter and sugar, and heat over medium until the butter is melted. Remove from heat and whisk vigorously.
After it has cooled down, whisk in the eggs one at a time. Whisk in the vanilla. Add the flour, baking powder and salt. Stir. Stir in 3/4 cup of the chocolate chips. Save the rest for later
Using two cookie scoops, drop each of the batters in the prepared pan. The pattern can be random, and one dough can be on top of the other. You can also layer it, as I did by putting all of the brownie on the bottom and the cookie on the top. Make sure you have an even thickness throughout the pan. Sprinkle the rest of the chocolate chips on top.
Bake until the top looks dry, around 20-22 minutes
Transfer to a rack to cool completely about 45 minutes. Cut into bars and serve!,
