Perhaps you've heard of syllabub? I guess if you want to be all authentic and stuff, you're supposed to make it while milking a cow. I mean, I can undestand a recipe using a cow, or a cow's products, but not actively involving a live cow in the production of the actual dish. Have I made it clear now that they're actually milking a cow directly into the dessert? :) I hope so, because that's what's going on: