Ingredients

The following ingredients have 13 Servings
  • 1 2/3 cups (217g) all purpose flour
  • 1 cup (207g) sugar
  • 1/4 tsp baking soda
  • 1 tsp baking powder
  • 1/4 tsp salt
  • 3/4 cup (168g) unsalted butter, melted
  • 3 large egg whites
  • 3 tsp vanilla extract
  • 1/2 cup (115g) sour cream
  • 1/2 cup (120ml) milk
  • 1 cup (115g) unsalted butter, room temperature
  • 4 cups (460g) powdered sugar
  • 2-3 tbsp (30-45ml) water or heavy cream
  • 1 tsp vanilla extract

Instruction