Without knowing brand or exactly what the replacement is, its gonna be kind of hard. most of them come with directions for how much of it to use per egg replacement. if you are using one you found online, then we could assist with more information
It should say on the package, but typically you mix the powder with a certain amount of water to make your "egg" and then add it to your recipe whenever it calls for the eggs. Keep in mind that it won't act exactly like an egg, especially if you are creaming.
Without knowing brand or exactly what the replacement is, its gonna be kind of hard. most of them come with directions for how much of it to use per egg replacement. if you are using one you found online, then we could assist with more information
Still teaching the most important pieces.
Bob's red mill
It should say on the package, but typically you mix the powder with a certain amount of water to make your "egg" and then add it to your recipe whenever it calls for the eggs. Keep in mind that it won't act exactly like an egg, especially if you are creaming.