INGREDIENTS
1 3/4 cups
all-purpose flour
1/2 tsp
baking soda
1/4 tsp
salt
1/2 cup
unsalted butter
1/3 cup
creamy peanut butter
1 cup
packed light brown sugar
1/2 cup
granulated sugar
1
egg plus 1 egg yolk, at room temperature
2 tsp
vanilla extract
1 cup
mini semisweet chocolate chips
36
dark chocolate peanut butter cups