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Yes, you can use butter instead of margarine in this recipe.
Yes, you can use ghee instead of butter in this recipe.
yes
Yes, you can use ghee as a substitute for butter in this recipe.
yes if using salted butter do not add salt
If a frosting recipe has butter in it, use the butter. Oil will change the consistency and not taste good.
You could use oil, or butter. I would use margarine because butter is full of fat and some brands of butter are unhealthy.
Yes, you can substitute oil for butter in this recipe.
Real butter can be used instead of imitation butter flavoring. Imitation butter flavoring is typically used instead of real butter when people have health issues that make the consumption of butter bad for them.
Yes, just put a tiny amount of salt in if you use regular.
Yes, you can use shortening instead of butter in this recipe, but keep in mind that shortening may affect the texture and flavor of the final product.
No.