Best Lemon Blueberry Cake Recipe

Ingredients

• 1 boxed white cake mix
• 1 cup flour + 2 tablespoons for the blueberries
• 1 cup sugar
• 1 tablespoon cornstarch for the blueberries
• 1 cup sour cream
• 1 cup water
• ⅓ cup freshly squeezed lemon juice
• 4 egg whites
• 2 tablespoons vegetable oil
• 1 ½ cups blueberries
• 1 tablespoon lemon zest
• 4 cups cool whip
• 16 oz. cream cheese ( 2 boxes )
• 1 cup powdered sugar
• ¼ cup pureed blueberries