INGREDIENTS
1 cup
all-purpose flour
1/2 tsp
salt
1/2 tsp
baking powder
1/2 cup
unsweetened cocoa powder
1 cup
unsalted butter
3/4 cup
semi-sweet chocolate chips
1/4 cup
dark chocolate wafers (or chips)
1 1/2 cups
white sugar
4
eggs
2 tsp
vanilla extract
1 cup
unsalted butter, softened
3 cups
powdered sugar
3/4 cup
Nutella
3 tbsp
heavy cream
1 tsp
vanilla extract