Carrot-Ginger Cake with Lemon Aquafaba Icing

People have asked about this cake a lot. Here it is.

I have always been an aquafaba skeptic. I like it in cocktails, but usually when used in baking, it let me down or left a beany taste in my mouth. During Christmas of last year, though, I realized it was absolutely perfect for a royal icing that could be used to decorate sugar cookies, and I’ve taken that knowledge to new heights with a lemon icing that…