Hot answers tagged

31

Part of making butter is churning... the churning process introduces a ton of air into the butter. When you melt it, all of the air is released so you should never expect melted butter to return to the same state it was before it was melted. The air trapped in butter is what causes the lighter color you see... if you take softened butter and whip it (as ...


27

Butter may look totally amorphous, but there's actually a fair amount of structure in the fat, in particular fat crystals that make it firmer. Melting it disrupts all that structure, and it can't regain it just by resolidifying, so the structure of previously melted butter really is different. You might notice that this is similar to chocolate: if you take ...


19

There is indeed a physical change that occurs. If you think back to grade school science you probably remember learning about solutions and suspensions, and how the former is a mixture that stays mixed when left alone (like saltwater) and the latter is a insoluble particles dispersed in a liquid, which separate if left alone (like water and sand if you ...



Only top voted, non community-wiki answers of a minimum length are eligible