i actually headcanon caelus as being extremely bad at cooking/not being able to cook even if his life depended on it because it'd add perfectly to his boyfailure persona (and also because i find it funny if he's extremely good at literally everything else (ex: fighting, academics, intrapersonal relationships, etc) but he burns down the kitchen just by standing in it)
BUT
he'd still try his best at cooking for his loved ones if they do let him....so domestic bless with his husband, receiving husband only wearing an apron and asking him if he'd rather have dinner or....him for dinner (caelus is sweating hoping he goes for the freaky option because there's no actual food, he burnt it all trying to cook).
caelus getting bent over and fucked mercilessly against the kitchen counter after making that question. just to get picked up right after cumming, rolled around, holding his legs apart without being able to touch the floor and starting another round by railing him On the counter this time.

eating off caelus would make everything taste so tasty immediately no matter what. what if when licking him/biting him, his skin actually tastes really sweet in general.... (yknow because. vessel. maybe)