4 large sized eggs is going to equal just under 1 liquid measure cup. I would use one whole egg, to help with structure and the rest whites. Just break one egg into your measuring cup and then add whites until you are just under the 1 cup line, it's going to be about 5 or 6 whites, depending on the eggs.
I just broke a few eggs over the weekend that were mostly yolk and had very little egg white in them, so I would go by measurement.
Plus, if you are used to using 4 whole eggs your recipe needs about 1 cup for moisture and body. But that one whole egg will make a difference in structure, yet it won't add too much, if any, color.
Always put your eggs in one basket.......why do you want to carry two?
Always put your eggs in one basket.......why do you want to carry two?