No one told me I had to figure it out myself but the secret to perfect grilled cheese color is apparently extremely low heat
@Grisser The other trick is mayo works better than butter.

@VersWolf I'm glad you said it, because I was going to say it, but that would entail admitting I don't _entirely_ shun mayonnaise, which would be politically difficult.

@Grisser

@isocat @VersWolf I've heard about this but keep forgetting
@Grisser @VersWolf _Thin_ film of mayo; easy does it. Use less than you think you need, else greasy.