INGREDIENTS
1 cup
unsalted butter
1 3/4 cups
granulated sugar
1/3 cup
vegetable oil
3 larges
whole eggs
3 larges
egg whites
3 cups
cake flour
2 tsp
baking powder
1 tsp
salt
1 cup
buttermilk
1 tbsp
vanilla extract
1/4 cup
rainbow sprinkles
2 cups
unsalted butter
6 cups
powdered sugar
4 tbsp
heavy whipping cream
2 tsp
vanilla
1 cup
chocolate chips
1/4 cup
heavy whipping cream