I'm not sure if this means the butter has gone bad or it's just separating. It's not particularly old. I'm planning on making caramels with it, but obviously if it's going to mess up the texture or make me sick I'll go out and buy more.
You deserve a cookie.
Sign up for our useful, inspired emails and we'll give you everything you need to eat and live better -- including recipes, how-tos, and exclusives and great gift ideas from Provisions, our kitchen and home shop.