No, you shouldn't really substitute for eggs, but usually water and oil are used to substitue. (Not one or the other, a little of both)
A suitable substitute for butter when baking is margarine, coconut oil, or vegetable oil.
A common shortening substitute for baking is butter.
A suitable ghee substitute for butter in baking recipes is coconut oil.
A suitable shortening substitute for baking is butter or margarine.
A suitable butter substitute for vegetable oil in baking recipes is margarine.
A suitable substitute for vegetable oil when baking that can be replaced with butter is margarine.
A suitable margarine substitute for butter in baking recipes is vegetable shortening or coconut oil.
A suitable substitute for margarine in baking recipes is butter. Butter can provide a similar texture and flavor to margarine in most baking recipes.
Lard or Margarine
Butter or margarine can be used as a substitute for shortening in baking recipes.
Butter or margarine can be a suitable substitute for shortening in baking recipes.
A common shortening substitute for frosting in baking recipes is butter.