INGREDIENTS
2 1/2 cups
sifted cake flour
2 tsp
baking powder
1/2 tsp
baking soda
1 tsp
salt
1 1/2 sticks
unsalted butter, softened to room temperature
1 3/4 cups
granulated sugar
5
large egg whites, at room temperature
1/2 cup
sour cream, at room temperature (I used greek yogurt)
1 tbsp
pure vanilla extract
1 cup
whole milk, at room temperature
1 cup
mini chocolate chips
4 oz
semi-sweet chocolate
1/2 cup
heavy whipping cream
2 tbsp
unsalted butter
1 cup
creamy peanut butter
8 tbsp
butter, softened to room temperature
1 1/2 cups
powdered sugar
2 tsp
vanilla extract
2 tbsp
milk