Ingredients
Serves 12-15
Sprinkle Cake:
2 1/4 cups all-purpose flour
1 1/2 cups sugar
1/2 cup butter, softened
1 1/4 cups buttermilk
3 1/2 teaspoons baking powder
1 teaspoon salt
1 tablespoon vanilla
3 eggs
3/4 cup rainbow sprinkles
Italian Buttercream Frosting:
2 cups sugar
2/3 cup water
4 large egg whites
6 sticks of softened butter (yes, 6 sticks!)
1 teaspoon vanilla
Preparation
