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CostingSeptember 16, 2026·7 min read

Prime cost in 2026: why food cost alone no longer tells the story

Food and labour now each take roughly a third of every sales dollar. A healthy food cost percentage can still sit on top of an unprofitable P&L.

Prime cost is the sum of your cost of goods sold and your total labour cost, expressed as a share of sales. It is the single number that tells you whether the operating model works, and in 2026 it has become more useful than food cost on its own.

The new normal band

Industry reporting through 2026 puts prime cost for healthy operators in roughly a 60–66% band, with food and labour each running near a third of every sales dollar. The National Restaurant Association has tracked total restaurant expenses rising by more than a third since 2019, while typical pre-tax margins sit around 5%. That combination is why the old habit of watching food cost in isolation now hides more than it reveals.

How a good food cost hides a bad month

A kitchen can hit 28% food cost by prepping everything in-house from raw product — and pay for it twice over in prep hours. Another can run 34% on pre-portioned product and still finish ahead because the labour line drops six points. Neither number is right or wrong until you add them together.

  • Buying more prepared product lowers labour and raises food cost. Buying raw does the reverse.
  • Menu complexity is a labour decision disguised as a recipe decision.
  • Overtime caused by a badly sequenced prep list shows up nowhere in your recipe costings.
  • A dish that takes twelve minutes of skilled hands to plate is expensive even at 24% food cost.

Reading the two lines together

Run prime cost weekly, not monthly. Weekly gives you four chances a month to correct a drift; monthly gives you one, after the money is gone. Pull COGS from purchases plus inventory movement, pull labour from the rota including taxes and benefits, and divide by net sales for the same seven days.

When prime cost drifts up, identify which half moved before you act. A COGS-led drift points to price rises, yield loss, or portioning. A labour-led drift points to scheduling, menu complexity, or a sales shortfall against a fixed rota — and cutting recipes will not fix any of those.

What to do with the number

Set a target band for your concept rather than chasing a universal figure. Quick service tolerates a higher labour share with lower food cost; a chef-driven restaurant usually runs the opposite. Then hold the band, and treat any week outside it as an event that needs an explanation before the next order goes in.

le mezon keeps the food half of prime cost live for you — every recipe is re-costed as your supplier prices change, so the COGS side of the equation is never a guess when you sit down with the rota.