Old recipes measure in a language we’ve decided is primitive. A teacup of flour. A lump of butter. Butter the size of an egg. A wineglass of cream. A good handful. A pinch. Bake in a quick oven. We read these and feel superior — how imprecise, how unscientific, no wonder baking was unreliable back then, thank goodness for the standardized measuring cup. And I want to dismantle that superiority, because those measurements weren’t primitive at all. They were relational — calibrated to a specific body and a specific kitchen — and in standardizing them away, we gained consistency and lost something we don’t have a word for, which is a recipe that fit you.

Start with what “a teacup of flour” actually meant, because it’s smarter than it sounds. It didn’t mean an abstract unit. It meant the teacup — a real cup that lived in that kitchen, that the cook used every day, whose exact volume her hands knew completely. The recipe was calibrated to her actual equipment. When she wrote “a teacup,” she wasn’t being vague; she was being perfectly precise relative to her own kitchen, pointing at a specific object she and the recipe’s intended reader (her daughter, in her kitchen) both knew. “Butter the size of an egg” is the same genius — an egg is a thing everyone has, roughly consistent, always to hand, a measuring standard that needs no tool because it is the kitchen. “A good handful” is calibrated to a hand — her hand, or yours, scaling the recipe automatically to the cook. These aren’t failures of precision. They’re measurements that used the body and the kitchen itself as the instruments, which meant you never needed a separate set of tools, and the recipe adjusted to whoever was making it.

And that last part is the thing we actually lost. A modern recipe is universal — 240 grams of flour is 240 grams in every kitchen on earth, precise, reproducible, identical for everyone. That’s a real achievement and I’m not knocking it. But universality has a cost that nobody names: it’s calibrated to no one. “A teacup” fit the specific hands it was written for; “240 grams” fits an abstract average cook who doesn’t exist. The old measurement was intimate — it assumed a particular person in a particular kitchen with particular teacups and hands, and it spoke to her, fitting her equipment and her body. The standardized version speaks to everyone and therefore to no one; it’s precise the way a form letter is precise. We traded a recipe tuned to a person for a recipe tuned to a statistical fiction, and called it progress, which it partly is and partly isn’t.

There’s a deeper thing hiding here about the difference between precise and personal. We tend to assume precision is always better — more exact, more reliable, more correct. But the teacup measurement reveals a kind of value that precision can’t hold: it belonged to someone. It carried, in its very imprecision, the fact that this recipe came from a real kitchen with a real cup and real hands, that it was made by a body and calibrated to that body, that it had a home. When you standardize it — convert “a teacup” to 180 millilitres — you make it more exact and you sever it from the person. You can now make it in any kitchen, and it no longer comes from any kitchen. The gram is homeless. The teacup lived somewhere.

So don’t sneer at the lump and the teacup and the egg-sized butter. They’re not a cruder version of grams; they’re a different kind of measurement entirely — relational instead of universal, personal instead of abstract, calibrated to a body and a kitchen instead of to a standard nobody lives in. And when you find them on an old card, know that you’re looking at a recipe that was fitted to a specific person the way clothes used to be tailored before they came in standard sizes. We gained a lot when everything became one-size-fits-all, in measurement as in clothing. We also lost the thing that was made to fit you — and “a teacup of flour,” pointing at a cup you’ll never hold in a kitchen you’ll never stand in, is the last trace of a time when a recipe knew exactly whose hands it was in.