INGREDIENTS
1
box yellow cake mix plus ingredients to make cake
3 tbsp
red, white, and blue sprinkles
2 sticks
butter, softened to room temperature
4 cups
powdered sugar
1 tsp
vanilla
1 tbsp
milk
Red food coloring
Blue Food coloring
2 cups
half-and-half
1 cup
whole milk
1 cup
heavy cream
8
large egg yolks
1 1/4 cups
sugar
2 tsp
vanilla extract