There’s a recipe box on the shelf above the café’s pass, and if you handed it to a stranger and asked them to guess which dish my grandmother made most, they’d get it wrong every time. They’d pull the beautiful one. The card with the even handwriting, the underline done with a ruler, the ingredients listed in a column so straight it looks typeset. That card is pristine because nobody ever cooked from it. It’s a fair copy — something Mémère wrote out to give away, or to feel like a person who owned a tidy recipe box. The pristine card is aspiration. It’s the kitchen she meant to have.

The card she actually cooked from is disgusting.

It’s the tarte au sucre card, and it is barely a card anymore. The bottom third has gone translucent with butter, the way waxed paper does, so you can hold it to the window and read the light through the exact spot where her thumb pinned it to the counter forty years running. There’s a brown thumbprint in the corner, not metaphorically — an actual thumbprint, in what I choose to believe is caramelized sugar, pressed there by a hand I can size from the smudge. The ink has bled where something wet hit it. Someone, at some point, wiped a spill off it with a cloth that was dirtier than the spill, and just made it worse forever. You can’t read the oven temperature anymore. She didn’t need to.

This is the thing nobody tells you about inheriting a recipe box: the damage is the information. Neatness is what you write down when you’re not going to use it. Filth is what happens to the recipe that fed people. The archive sorts itself by love, and it sorts in the wrong direction — the more a card mattered, the less of it survives to prove it. You are left holding the ruined ones and the perfect ones, and the ruined ones are the true record.

So when I go through the box now, I’ve stopped reading the cards. I read the condition of the cards, which is a different and more honest document. A grease translucency the size of a thumb means: made constantly, held in one hand, probably while doing something else. A card that’s clean but soft at the corners, furred like a much-shuffled playing card, means: consulted often, cooked from rarely — a thing she looked at to remember and then made from memory. A card with a single hard water-ring means one specific bad afternoon I’ll never know about. A card in a child’s handwriting, copied out in pencil, means she made someone stand next to her and take dictation, which means that person was in the kitchen, which means the card is really a photograph of two people.

The clean cards, I’ve realized, are lying to me. Not maliciously. They’re just evidence of intention rather than evidence of life, and I kept mistaking one for the other. I spent a whole winter trying to reconstruct a fish dish from a gorgeous unmarked card before it occurred to me that the reason it was unmarked was that it was never any good, and she knew, and she never made it, and the only reason it’s beautiful is that failure keeps a clean desk. The dishes that worked got destroyed by working. That’s the deal. You don’t get to have the thing and the proof of the thing at the same time; the proof is made of wear, and wear is subtraction.

Which is why, when people ask me the sentimental question — isn’t it sad, all that damage, don’t you want to preserve them — I’ve started giving the unpopular answer, which is no. I don’t want to laminate the tarte au sucre card. Laminating it would freeze it at the exact moment it stopped being used, which is the moment it stops being true. The whole value of the card is that it’s a running total, and a running total that’s been sealed in plastic is just a receipt. If I do my job in this kitchen, that card should keep getting worse. There should be a new thumbprint in ten years, over the old one, in sugar I caramelized, and the translucent patch should spread another few millimetres because I held it where she held it. The correct way to honour the most-cooked card is to cook from it until there’s nothing left to read, because by then you’ll have it by heart, and the card will have done the only thing a recipe card is actually for, which is to make itself unnecessary and go out filthy.

Go find your family’s recipe box and don’t read the cards. Hold them up to the window. The one you can see the light through is the one she loved you with.