Can I sub half and half for buttermilk?
I'm trying to use up kitchen items, and I have everything I need to make the Ghiradelli Empress Cake linked below.
General baking question: I know I can make a serviceable buttermilk substitute by letting vinegar and milk sit for awhile (I can Google the proportions).
Has anyone done the same with half and half? I'd like to not have milk (as stated, trying to get rid of food).