"Keep food cost around 30%" is the most repeated rule in food truck pricing — and it's a decent starting heuristic that becomes actively misleading the moment you apply it uniformly across a whole menu. A burger and a loaded fries side can have wildly different labour intensity and waste rates even at the same food cost percentage, and one of them is quietly making far less money than the other.
Food cost percentage (ingredient cost ÷ menu price) is a fast sanity check, and 28–35% is a commonly cited healthy range for food trucks. But it says nothing about prep time, waste, or how much of your limited on-truck labour and grill/fryer space an item consumes during a rush — all real costs that don't show up in a food cost percentage alone.
Raw ingredient cost per portion, but adjusted for realistic yield — trim loss on meat and produce, portion drift, and product that spoils before use. A recipe costed on paper from raw wholesale prices without a waste allowance is almost always optimistic versus what actually happens on a busy service.
Time spent prepping ingredients before service (chopping, marinating, portioning, sauce-making) is real labour cost that needs to be allocated per portion, not treated as a fixed overhead separate from the item's price.
How long an item takes to cook and assemble during service directly limits how many you can sell per hour, especially on a truck with one or two people and limited grill/fryer space. A high-margin item that takes twice as long to make as a competing item may generate less revenue per hour of service time — which matters enormously on a truck with a queue and a limited service window.
Pitch fees, event participation costs, and permit costs vary hugely by location and need to be spread across expected sales volume for that location — a lucrative-looking city centre pitch with a high daily fee needs a higher average ticket or higher volume to be worth it versus a free residential-area pitch.
| Cost Element | Simple Item (e.g. hot dog) | Complex Item (e.g. loaded burger) |
|---|---|---|
| Ingredients (with waste allowance) | $1.40 | $3.20 |
| Prep labour (allocated) | $0.30 | $0.90 |
| Service-time labour (allocated) | $0.60 | $1.80 |
| Location/event fee (allocated) | $0.40 | $0.40 |
| Total cost | $2.70 | $6.30 |
| Suggested price (~65% margin) | $7.70 | $18.00 |
Two items with a similar "looks profitable" food cost percentage can need very different prices once labour and service-time capacity are counted — the simple item can turn over much faster during a rush, which is itself worth pricing for, not just its ingredient cost.
A food truck's biggest cost variable isn't the menu — it's which locations and events actually cover the day's costs. Tracking sales, fees, and net profit by specific location over time (not just guessing which spots "feel busy") is what turns a food truck from a guessing game into a plannable route, and it's the single highest-leverage decision most operators make with too little data.
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