INGREDIENTS
6 oz
butter, salted (1 1/2 sticks)
1/2 cup
smooth peanut butter
1 cup
boiling water
2 cups
flour
1/2 tsp
baking soda
1/4 tsp
salt
2
eggs
1/2 cup
buttermilk
2 tsp
vanilla
2 cups
brown sugar, packed
1 1/2 sticks
butter
5 tbsp
milk
4 tbsp
unsweetened dark cocoa powder (substitute regular cocoa powder if needed)
1/2 tsp
instant espresso powder or coffee granules
2 cups
powdered sugar
1 tsp
vanilla extract