Easy Blueberry Buttermilk Cake

Bahan-bahan (18 porsi)

• 2 3/4 cups cake flour*
• 1 1/2 tsp baking soda
• 1/2 tsp salt
• 1 1/4 cups sugar
• 4 tbsp unsalted butter (softened )
• 3/4 cups unsweetened applesauce
• 3/4 cups low fat buttermilk
• 2 cups blueberries (fresh or frozen)
• 1 large egg (beaten)
• 2 large egg whites
• 2 tsp vanilla
• baking spray