ChefSums: Recipe Costing & GP

Cheese and ham toastie: how much it costs to make, per serve

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Two slices of thick white bread, buttered outside, filled with grated mature cheddar and two slices of gammon ham, pressed in a panini grill. Served with a spoon of coleslaw. Costed from JJ Foodservice wholesale prices dated 9 October 2026.

Toasted sandwich cut in half on a plate
Photo: Pesto, wiltshire ham & cheddar cheese sourdough toastie - Spro Coffee Co. 2025-02-26 by Andy Li, CC0, via Wikimedia Commons; cropped and resized. A public-domain photo of the dish, not the exact costing below.
Ingredients per serve£1.18
Menu price · ChefSums' sample café menu£4.80 inc VAT (£4.00 ex) · 70% GP
Lowest price · 68% GP£4.44 inc VAT (£3.70 ex)

The menu price is the one ChefSums uses for this dish on its sample café menu, a realistic UK menu price. The lowest price is the one that just reaches 68% GP, the UK food GP benchmark (UKHospitality × Christie & Co, 2022: 65.9–69% food GP across every segment). It covers the ingredients at a normal margin, not staff, rent or energy, and most cafés, pubs and takeaways charge more for simple dishes. Check what places near you charge. GP is worked out on the ex-VAT price.

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Ingredients and cost, one serve

IngredientPack pricePack sizeUsedCost
Sliced white bread, thick£1.59800 g88 g£0.17
Unsalted butter£30.495000 g10 g£0.06
Mature cheddar, grated£11.992000 g60 g£0.36
Sliced gammon ham£5.49500 g40 g£0.44
Coleslaw£5.992000 g50 g£0.15
Total£1.18

Cost per line is pack price × (amount used ÷ pack size), the same sum the tool runs. Change one pack price and every line that uses it moves.

What it really costs: waste and staff time

Ingredients£1.18
Waste allowance, 5% (trim, ends, the odd one binned)£0.06
Staff time: 5 min hands-on per serve at £12.71/hr + 25% on-cost£1.32
Food, waste and staff per serve£2.56

At the sample café menu price (£4.00 ex VAT) that is 64% of the price, before rent, energy and everything else. Many UK sites aim to keep food plus staff (prime cost) at or under 60–65% of sales. The staff line counts hands-on prep only, not unattended cooking, and uses the April 2026 National Living Wage; put your own rate, minutes and waste in the calculator's real cost section or the prime cost calculator. Every dish side by side: the UK dish cost index.

Method

  1. Butter the outside of both slices.
  2. Fill with the ham and grated cheddar (grated melts evenly; slices leave cold spots in the middle).
  3. Toast in a panini press or a heavy pan for 3-4 minutes until golden and the cheese has melted to the edge.
  4. Cut diagonally and serve with the coleslaw.

Costing notes

A thick-sliced 800 g loaf gives about 18 slices of roughly 44 g, so the bread is under 20p a toastie. Ham and cheese are two-thirds of the cost; weigh them once so the team can see what 60 g of grated cheddar looks like, because free-handed fillings are the usual reason toastie margins drift.

Where the prices came from

JJ Foodservice collection prices as shown on its public search pages on 9 October 2026 (delivery runs about £1-2 a case higher). A few lines JJ did not list in that day's searches reuse the dated prices already on our other starter recipes (7 September 2026, JJ Foodservice or Tesco retail, marked on each line). JJ does not label VAT on most lines: raw food is zero-rated in the UK, while soft drinks, alcohol, confectionery and some ingredients carry standard-rate VAT. Your supplier's price is the one that matters: open the recipe and type it in.

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