INGREDIENTS
For the Peanut Butter Cookie Base:
3/4 cup
creamy peanut butter
2/3 cup
butter, softened
1 cup
packed brown sugar
1/2 cup
sugar
2
eggs
1 tsp
vanilla extract
1 3/4 cups
all-purpose flour
1 tsp
baking powder
1/3 cup
milk
1 cup
milk chocolate chips
1
bag individually packaged Reeses' peanut butter cups
For the Brownie Top:
1/3 cup
Dutch-processed cocoa
1 1/2 tsp
instant espresso (optional)
1/2 cup
plus 2 tablespoons boiling water
2 oz
unsweetened chocolate, finely chopped
4 tbsp
unsalted butter, melted
1/2 cup
plus 2 tablespoons vegetable oil
2
large eggs
2
large egg yolks
2 tsp
vanilla extract
2 1/2 cups
sugar
1 3/4 cups
unbleached all-purpose flour
3/4 tsp
table salt