Setting par levels without guessing

Ask a kitchen manager where a par level came from and you will usually get one of two answers. It was on the sheet when they started. Or they raised it once after running out on a Saturday and never lowered it again.

Both answers are normal. Both are how a walk-in slowly fills with things you are paying to throw away.

What a par is supposed to be

A par is the amount you want on hand right after a delivery, so you do not run out before the next one.

That is it. Not a feeling about how much looks right on the shelf. A number built from three things: how much you use in a day, how many days until the next truck, and how much cushion that particular item deserves.

Daily usage × days between deliveries + safety stock = par.

Say romaine goes out at about two cases a day and the truck comes every three days. That is six cases to cover the gap. Add one case of cushion and the par is seven. If the sheet says twelve, you have been ordering five cases a cycle of lettuce that was going to wilt.

Get usage from what you counted, not what you remember

The weak link in that formula is always the first number.

Nobody knows their daily usage off the top of their head. They know what it felt like last busy weekend, which is the highest number they have seen, which is why pars drift upward and never down.

The honest number is already sitting in your inventory counts. What was on the shelf at the start of the week, plus what came in, minus what was left at the end, is what actually went out. Divide by the days in the period.

That is the same arithmetic a food cost variance report runs, and if you want to see it working on a real set of lines, the variance report on the site runs in the page.

Cushion is a decision about which mistake is worse

Safety stock is where judgment belongs, and it should not be the same for everything.

For an expensive perishable, a stockout is cheaper than spoilage. Running out of snow crab on a Tuesday costs you a few disappointed tables. Throwing out a case costs you real money. Keep that cushion thin.

For a cheap, shelf-stable item, the opposite is true. An 86 on fry oil or to-go cups costs far more than a spare case sitting in dry storage. Keep that cushion generous and stop thinking about it.

Most par sheets apply the same instinct to both, which is how you end up out of cups and throwing away avocados in the same week.

The truck schedule is part of the formula

A delivery on Friday that has to carry you through Saturday, Sunday and Monday is a four-day gap on your busiest days. A Tuesday delivery covering a quiet Wednesday is not.

One par per item is usually wrong for exactly that reason. Two pars, one for the long weekend gap and one for midweek, is often all it takes to stop the Sunday-night 86s without overbuying on Tuesday.

When an item has earned a second look

Do not re-par the whole sheet every quarter. Nobody does it, and the attempt is how the sheet stays frozen.

Instead, set a trigger. If an item gets 86'd twice in two weeks, or shows up on a waste log twice in two weeks, it gets re-parred from its counts. Everything else stays where it is.

Seasons count as a trigger too. In the valley, what you use in January with snowbirds in town is not what you use in July, and a par set in one is wrong in the other.

Start with the top ten by dollars

Pull your ten most expensive items by weekly spend. Reset those from actual usage, set a thin or thick cushion on purpose, and split the par wherever the delivery gap changes.

That list is usually most of your food cost exposure, and it is small enough to finish in an afternoon. The rest of the sheet can wait until something trips a trigger.

The kitchen manager still owns the sheet. What changes is that every number on it can now be explained. If you are also looking at the prep list, the same counts feed both.

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