INGREDIENTS
For the cake:
2 oz
unsalted butter
1 cup
all-purpose flour
1/4 tsp
baking soda
1/4 tsp
baking powder
1/4 tsp
salt
1/2 cup
tightly packed brown sugar
3 oz
creamy peanut butter
1
large egg
1
egg yolk
1/4 cup
sour cream
1/4 cup
hot water
1/2 tsp
pure vanilla extract
1/2 cup
semi sweet chocolate chips
For the chocolate peanut icing:
5 oz
semisweet chocolate, coarsely chopped
1/2 cup
heavy cream
1/8 cup
granulated sugar
2 tbsp
peanut butter
1 tbsp
unsalted butter