If you cook it on a non-stick surface that requires no oil or fat there are:
approx 16-17 calories in one large egg white.
If you use butter or oil to fry the egg white it will add extra...
A great deal.
Protien contains 4 calories per gram as does carbohydrates, whilst fat contains 9 calories per gram. Alcohol contains 7 calories per gram.
That depends on the type and quantity of mushrooms, what you fry them in, and how much butter or oil you use for frying For the calories in mushrooms, and the calories in butter, see the page links,...