INGREDIENTS
1/2 cup
butter
1/3 cup
brown sugar
1/3 cup
sugar
1
egg
2 tsp
vanilla
2/3 cup
sour cream
1/3 cup
milk
1/3 cup
strong brewed coffee, cooled
2 tsp
baking powder
1 tsp
baking soda
1/2 tsp
salt
1/2 cup
dark cocoa powder
2 cups
flour
1 1/4 cups
mini chocolate chips, divided