They make imitation egg whites and eggs. You can buy them in the egg or dairy aisle. They cost a bit more, but work perfect for a substitute.
As an egg ages the whites of the egg will become thinner. Eggs are graded for freshness by observing the whites. The more the whites spread out the older the egg is.
Egg Whites have no fat.
1 cup egg beaters equals 8 egg whites.
10-12 egg whites in a cup. (depends on how large the egg whites are.)
You would need three eggs for three egg whites. The whites of the eggs must be separated from the yolks.
To convert 2 whole eggs into egg whites for a recipe, simply separate the yolks from the whites by cracking the eggs and carefully transferring the whites into a separate bowl. You can discard the yolks or save them for another recipe.
A box cake calling for 3 egg whites would not rise properly without the egg whites. Applesauce is not a suitable substitute for egg whites. Possible solutions would be to borrow eggs from a neighbor, or prepare a different dessert using available ingredients.
If a recipe calls for "2 eggs," it means THE WHOLE EGG. If they want you to use the egg yolk only, it will say, "add the yolk of 2 eggs." If they want you to use the egg whites only, it will say, "separate the eggs and beat in the whites." To 'separate' an egg means to separate the yolk from the whites.
Liquid eggs are egg whites with yellow food coloring.
Egg whites have almost no fat in them. In eggs, literally 100% of the fat comes from the yolk.
To make scrambled eggs using only egg whites, separate the whites from the yolks. Whisk the egg whites until frothy, then pour them into a heated and greased pan. Cook the egg whites, stirring occasionally, until they are fully cooked and scrambled. Season with salt and pepper to taste.
To make a healthier version of French toast, use egg whites instead of whole eggs. Egg whites are lower in calories and fat, making the dish healthier. Simply separate the egg whites from the yolks and dip the bread in the egg whites before cooking as you normally would for French toast.