INGREDIENTS
1 cup
all-purpose flour
1 1/2 tsp
baking powder
1/4 tsp
salt
6 tbsp
unsalted butter (room temperature)
3/4 cup
smooth peanut butter
1 cup
packed brown sugar
1
large egg (room temperature)
1 tsp
vanilla
1/2 cup
buttermilk
3 tbsp
butter (room temperature)
1/2 cup
creamy peanut butter
1/3 cup
packed brown sugar*
1/3 cup
powdered sugar
1/2 tsp
vanilla extract
3 tbsp
heavy cream