I was recently asked how one could substitute for eggs in baking. Here is what I have found out. There are many ways to do this, all tried and true. Take your pick!
powdered milk over egg whites, then beat them with fork until smooth.
Add food color, and beat until blended. This makes 1/4 cup, which is
equal to 1 large egg. If you use this homemade substitute for scrambled
eggs, cook it in vegetable oil or margarine so the eggs won't be too
dry.
(Sources:
http://www.pioneerthinking.com/eggsub.html)
You can substitute three tablespoons of mayonnaise for one egg in baking. I have tried this, and it works. You will not notice any difference in flavor or texture.
I hope this helps!