This protein-packed red velvet cake recipe uses whey protein powder and Greek yogurt to add protein to the cake. The cake is made with whole wheat flour and coconut oil, making it a healthier option than traditional red velvet cake. The cream cheese frosting is made with reduced-fat cream cheese and Greek yogurt, making it lower in calories and fat. This cake is a delicious and nutritious dessert option for anyone looking to add more protein to their diet.