Social eating.
It's not that vampires cook so much as they sometimes prepare food, because if human guests are coming over, blood isn't going to cut it. But vampires being vampires, unless humans are coming over at least once a week, it's not a good use of money or space for them to try to keep fresh stuff around. Especially if the humans get squeamish over their food being in the same fridge as blood bags and containers. So the humans that visit get served stuff that can safely stick around for a while in cabinets. Things like ramen, instant coffee, powdered milk. Bulk teabags. Honey that somehow managed to crystallize. Microwave popcorn that expired in 2007 but should still be fine. Served out of nice bowls, and good mugs. But no plates, and no utensils except some spoons, because there's no real reason to have other stuff around.
They've got some nice saucepans, though. Because microwaves get the blood to the right temperature quickly, and sometimes fast is better, but doing it slowly on the stovetop - simmering, not bubbling - gets a deeper flavor and more precise temperature control.
It's a very social vampire that keeps stuff like microwave lasagna in the freezer and plates to serve it on.
All that said, Spike would have half a jar of peanut butter in the back of the fridge and some Weetabix and hot sauce in the cupboard, but they're not for company.
They've got some nice saucepans, though. Because microwaves get the blood to the right temperature quickly, and sometimes fast is better, but doing it slowly on the stovetop - simmering, not bubbling - gets a deeper flavor and more precise temperature control.
It's a very social vampire that keeps stuff like microwave lasagna in the freezer and plates to serve it on.
All that said, Spike would have half a jar of peanut butter in the back of the fridge and some Weetabix and hot sauce in the cupboard, but they're not for company.

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And Mochi keeps quite well in the freezer, too.
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