2 Gallons Cake Batter MuscleEgg Liquid Egg Whites. Cake Batter MuscleEgg is a customer favorite for good reason! It makes you feel like it’s your birthday every time you drink it. Not only does it taste great by itself, but it’s great for using in all your favorite recipes too. Being egg whites, you can use it in pancakes, waffles, shakes and anything else for that matter. Spoil yourself with Cake Batter MuscleEgg. And, with 25 grams of protein per serving and 0 grams of fat, it's nature's purest form of protein. MuscleEgg liquid egg whites can be kept frozen for up to a year and are good for 3-4 weeks in the fridge after you thaw it out. If you want to save space in the fridge, try our freeze-dried egg white powder that’s shelf-stable for a year as well. All MuscleEgg egg whites are cage-free and pasteurized to be extra smooth and easy to drink making it a quick and convenient way to get your daily protein and also work great in all your favorite recipes. Certified Kosher.