After anal intercourse followed with vaginal intercourse, you insert your truffle butter covered dick into the woman's mouth. While she vomits, catch the shit, cum, and barf mixture in a casserole dish. Bake at 350 for 45 minutes and invite your friends and family over to enjoy the delicious mix.
"Bro, me and the ole lady made some Yukon Casserole last night, wanna come over for dinner?"
"Hell yea man! I'll bring my parents!"