Ingredients:
- 14 ounces of cake flour
- 10 ounces of buttermilk, room temperature or slightly warm
- 5 ounces of room temperature egg whites
- 13 ounces of granulated sugar
- 1 teaspoon of salt
- 1 tablespoon of baking powder
- 4 ounces of vegetable oil
- 6 ounces of unsalted, softened butter
- 2 teaspoons of vanilla
- ½ teaspoon of baking soda
For the Frosting:
- 3 ounces of flour
- 14 ounces of granulated sugar
- 16 ounces of whole milk
- 16 ounces of room temperature unsalted butter
- 2 teaspoons of vanilla extract
- ¼ teaspoon of salt
