Your Supplier Raised Prices and Didn’t Tell You

Nobody calls to tell you they’re charging you more. There’s no email, no heads-up, no “just so you know, chicken’s up this month.” The price goes up the way the tide comes in — quietly, a little at a time, on an invoice you glance at, approve, and file.

That’s not your supplier being sneaky. That’s just how it works. Their costs move, so your costs move, and the only record of it is a number buried in the third column of a delivery slip you’ve got about four seconds to look at while the driver waits for a signature. You’re not going to catch it there. Almost nobody does.

Where the increase actually hides

Think about what a supplier invoice looks like in real life. Fifteen, twenty line items. Quantities, unit prices, a total at the bottom. You check that the total looks roughly normal, that you got what you ordered, and you move on — because you’ve got a lunch to run.

The increase doesn’t announce itself. Last month the protein was $8.00 a kilo. This month it’s $8.40. That’s a forty-cent line on one row of one invoice. It doesn’t change the bottom of the slip enough to notice. It doesn’t feel like anything. But it’s a five percent raise on your single biggest ingredient, and you just approved it without knowing you did.

The reason it matters isn’t the forty cents. It’s that the forty cents flows straight into every dish that uses that protein, and nothing on your menu moved to cover it.

What it does to a dish — quietly

We took a wrap apart line by line in another post. The protein in it cost $1.44 — that’s 0.18 kg at $8.00 a kilo.

Now run the supplier increase through it. At $8.40 a kilo, the same 0.18 kg portion costs $1.51. Seven cents more per wrap. Still feels like nothing.

But you didn’t change the menu price. So that seven cents comes straight out of the margin on every wrap you sell, all day, every day, until something changes — and nothing’s going to change, because nobody knows it happened. Across a few hundred wraps a week, “nothing” is a few hundred dollars a month walking quietly out the back door. And that’s one ingredient, one dish, one supplier, one five-percent bump. Most kitchens have a dozen of these running at once, in different directions, none of them visible.

This is the leak that gets blamed on everything except what it is. The food cost percentage drifts up. The month feels tighter than it should. You assume you’re busier-but-poorer, or that staff are over-portioning, or that you need to raise prices. Sometimes it really is the portion — worth ruling that out first, since it’s the cheaper fix. But often the portion’s fine and the recipe’s fine. The supplier just raised the price, and the invoice never told you in a way you could act on.

How to catch it yourself

You don’t need software to find this once. You need two invoices and fifteen minutes.

Pull the same supplier’s invoice from this month and from three months ago. Same vendor, ideally the same items.
Compare the unit prices line by line — not the totals. The total hides everything; the unit price is where the truth is. You’re looking for any item where the per-unit cost went up.
Flag your big movers. You don’t care about a two-cent bump on parsley. You care about the items that go into your highest-volume dishes — the proteins, the cheeses, the oils, the staples you buy in volume. That’s where a small percentage turns into real money.
Do the dish math on the ones that moved. Take the new unit price, multiply by the amount that goes into the dish, and compare it to what you’d been assuming. Now you can see, in dollars, exactly what the increase is costing you per plate.

That’s the whole exercise. Most owners who run it find at least one increase they had no idea about.

What to do once you’ve found it

Say you’ve confirmed it: portion’s tight, recipe’s unchanged, and the supplier’s price genuinely went up. Here’s the order to work through — and notice that raising your own menu price is last, not first.

Talk to your rep before you do anything else. A price increase is often negotiable, especially if you’ve been a steady account. Ask what drove it, ask what it would take to hold the old price, ask about committing to volume. Reps have room they don’t advertise. This conversation is free and it’s the fastest possible fix.
Price-check one alternative supplier. Not to threaten anyone — just to know your number. If the same item is meaningfully cheaper elsewhere at the same quality, you’ve either got a switch worth making or a real lever in your next conversation with the current rep.
Look at a substitute. Sometimes a slightly different cut, grade, or pack size from the same supplier closes most of the gap without you changing suppliers at all. Worth asking about.
Reformulate the dish — gently. If the moved ingredient can be rebalanced without the customer noticing, that’s lever three. Only where it doesn’t hurt the product.
Reprice — last, and deliberately. If you’ve renegotiated, checked alternatives, and the recipe’s as tight as it can go, and the dish still doesn’t earn, then the price is wrong and you fix it on purpose. But you’ve now exhausted the cheaper levers first, and you can stand behind the decision.

The point of the order is that a supplier increase is a supplier-level problem, and it usually has a supplier-level fix. Reaching straight for the menu price means making your customer pay for a conversation you never had with your rep.

The honest catch

Here’s what we won’t pretend: comparing two invoices line by line works beautifully once, on one supplier, on a slow afternoon. It does not work as a habit. You’re not going to pull and compare every invoice from every vendor every month while you’re also running the place — and the increase you catch in March is replaced by a new one in June that you miss.

That’s the whole reason Mise exists. You snap a photo of each supplier receipt as it comes in. We read every line, remember what every item cost last time, and update the real cost of every dish that ingredient touches — right then. When a supplier price moves enough to matter, you get a notification while you can still pick up the phone and do something about it. No invoice archaeology, no spreadsheet, no finding out three months later on a statement.

But you don’t need us to start. Pull this month’s invoice and one from the spring. Compare the unit prices on your big movers. Find the first increase nobody told you about. If you want us to catch the rest the moment they move — see what your menu actually costs →

Built by people who’ve worked the line, signed the leases, and stared at the books. We help independent restaurants know what every dish actually costs — and what to do about it.