Toast's July 2025 UK guide says most full-service restaurants use 28–32% as a benchmark. That range is a comparison point. It is not a government standard, a promise of profit or a reason to cut quality.
A percentage is good only when it fits the restaurant's cost structure
A lower percentage is not automatically better. A dish with £8 of ingredients selling for £28 creates £20 of gross profit before other costs. A £2 dish selling for £8 creates only £6. The first dish has a higher food percentage, but contributes more pounds per sale.
Ask what the sold items should have produced, how far actual food use moved from that result and whether the remaining gross profit covers other costs.
Menu mix moves the right target before waste or supplier prices change
Each item has its own recipe cost. The four-week target is the weighted result of what guests bought. Multiply every item's current cost by units sold, add the results and divide by net food sales.
Use the till's ex-VAT food sales. HMRC requires VAT-registered businesses to record values excluding VAT. Current guidance gives some supplies different treatment, including a temporary reduced rate for qualifying children's meals until 1 September 2026.
Do not remove VAT from every gross till line with one blanket divisor. Formula guide: https://involiqo.com/blog/food-cost-percentage-formula-uk
An apparently good 32% can still hide a £2,400 gap
The following figures are illustrative. Alder & Ash Bistro records £62,000 of net food sales over four weeks. Its actual food used is £19,840.
That sits inside the common benchmark. The item-level sales mix tells a different story.
- Mains: £32,000 sales at 34% = £10,880.
- Breakfast and light meals: £12,000 at 25% = £3,000.
- Desserts: £8,000 at 22% = £1,760.
- Sides and extras: £10,000 at 18% = £1,800.
- Total: £62,000 at a weighted 28.1% = £17,440.
The menu should have used £17,440 of food. It actually used £19,840.
Alder & Ash can be inside benchmark and still have a material control gap. The benchmark did not find it. The restaurant's own sales mix did.
One percentage point should always be translated into pounds
At £62,000 of food sales, one percentage point equals £620. This conversion makes a review proportionate.
Do not call the whole gap waste. It can include price rises, pack changes, portion drift, preparation loss, staff food, recipe errors, stock-count differences or sales miscoding.
Involiqo item analytics can compare supplier invoice lines by item, pack and unit. That isolates the purchase-price part of the variance. Recipe, waste, stock and till records must explain the rest.
A benchmark cannot prove that the restaurant is profitable
Food cost ignores wages, rent, rates, utilities, commissions, finance costs and tax. A restaurant at 27% can still lose money. Another at 34% can remain viable if its selling prices, contribution pounds and other costs support that result.
The US National Restaurant Association's September 2025 analysis covered more than 900 operators. It found a 32.0% median for full-service respondents but calls the figures management tools, not goals. It is context, not a UK target.
Review food cost beside labour and other operating costs. Review cash separately: https://involiqo.com/blog/cash-flow-vs-profit-weekly
Investigate movement before forcing every period into the range
Use one consistent stock cut-off and a rolling four-week view. Compare the result with the weighted theoretical target for the same sales mix.
Set a review trigger the team can act on. For example, investigate when actual cost moves more than 1.0 point above target. This is an illustrative control limit, not an industry rule.
- Check whether a high-volume item's unit price or pack size changed.
- Recheck recipe quantities and yields.
- Compare recorded waste and staff food with the period before.
- Verify stock counts and late delivery notes.
- Confirm that food sales exclude drinks and use the correct VAT treatment.
Do not cut a premium ingredient just to cross 31.9%. Fix evidence-backed leakage first.
Frequently asked questions
Is 35% food cost too high for a UK restaurant?
It is above the common 28–32% benchmark, so it deserves review. It is not proof of failure. Compare 35% with the sales-weighted recipe target and contribution pounds. If the menu should produce 31%, a four-point gap needs evidence. If it should produce 34%, the issue may sit elsewhere.
Should a café aim below a restaurant?
Often, but not by rule. A drinks-heavy café may show a lower food-only percentage because beverages are excluded. A bakery café can carry substantial butter, dairy and labour costs. Set separate food and beverage measures, then weight the food target from the items sold.
How often should the target change?
Recalculate when a supplier price, recipe, portion, menu price or sales mix changes materially. Review volatile item costs weekly and rebuild the weighted target every four weeks. Do not keep one annual percentage while the sales mix changes.
Key takeaways
- Use 28–32% as a screening benchmark, not a universal goal.
- Build the real target from current item costs and actual sales mix.
- Translate each percentage point into pounds before acting.
- Compare actual with theoretical cost to locate the unexplained gap.
- Check contribution, labour and cash before changing the menu.
Sources
- Toast UK — How to calculate food cost percentages in the UK: https://pos.toasttab.com/uk/blog/on-the-line/how-to-calculate-food-cost-percentage
- National Restaurant Association — Restaurant operators kept food cost ratios in check in 2024: https://www.restaurant.org/research-and-media/research/restaurant-economic-insights/analysis-commentary/restaurant-operators-kept-food-cost-ratios-in-check-in-2024/
- GOV.UK — Keeping VAT records: https://www.gov.uk/charge-reclaim-record-vat/keeping-vat-records
- GOV.UK — VAT rates on different goods and services: https://www.gov.uk/guidance/vat-rates-on-different-goods-and-services
- WRAP — Hospitality and food service case studies: https://www.wrap.ngo/resources/food-waste-reduction-roadmap-case-studies/hospitality-and-food-service
Set the range your own menu should produce this Monday
Export four weeks of item sales. Apply current recipe and invoice-line costs, calculate the weighted target and turn the gap into pounds before changing a price or portion.
See how Involiqo connects supplier invoice lines with item-level cost evidence: https://involiqo.com/#bento-overview
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