Susan Reid, post author May 11, 2014 at 6:56pm In reply to My question is if I made some buttercream frosting but didn't f… by olga espinosa (not verified) I'd say if it was made with fresh egg whites, no way. The second thing I'd check is how it smells. It's quite likely to have gone rancid after that amount of time. I try not to leave buttercream out for more than a day or two at most. Susan Reply
May 11, 2014 at 6:56pm
In reply to My question is if I made some buttercream frosting but didn't f… by olga espinosa (not verified)