what's the best cake to use for a fondant birthday cake.. My fondant seems to always sink, I never get great edges... Help....

Are you using a dense or pound cake? Have you tried using ganache 2:1 ratio under your fondant? That is the best way to prevent sagging fondant edges. I also use a crusting BC but ganache works best.

you may be applying too much bc under your fondant. you only need to do like a crumb coat under the fondant and it should help. but i know a lot of people say that ganache is great because then you are putting it almost directly onto the cake and get that nice edge

Hi, wow thanks for the response, whats a pound cake? sorry

Hi, wow thanks for the response, whats a pound cake? sorry

Hi, wow thanks for the response, whats a pound cake? sorry

Pound cake is a type of cake. But the type of cake should have nothing to do with this issue. Try a thinner crumb coat. Remember it is just a crumb coat it should not have a heaping amounts of frosting on it.