Yellow Sheet Cake With Chocolate Frosting Recipe - Details, Calories, Nutrition Information | Recipe

Ingredients

• cooking spray
• 1 tbsp flour
• 1/2 cup butter, melted
• 1 (8 oz) carton nonfat sour cream
• 1 1/2 cups sugar
• 2 tsp vanilla extract
• 1/2 cup egg substitute (or 2 eggs)
• 2 cups flour
• 1 tsp baking soda
• 1/2 tsp salt
• 3/4 cup low-fat buttermilk
• 1/2 cup block- style fat free cream cheese, softened
• 1/4 cup butter, softened
• 1 tsp vanilla extract
• 1/3 cup unsweetened cocoa
• 1 -2 tbsp fat-free evaporated milk
• 1/8 tsp salt
• 3 cups powdered sugar, divided