A dish can be your bestseller and still be quietly losing you money. Popularity and profitability are two different numbers, and the only way to know which dishes are actually worth pushing is to run the real math per item — not guess from how often it sells.
Total cost per dish is more than the ingredients
Food cost is the obvious half. Labor cost — the time it takes to prep and plate a specific dish — is the half that's easy to skip and often makes the bigger difference between two dishes at the same price. A simple dish and a labor-intensive one can have identical food cost and completely different real profitability.
Food cost percentage is the number that flags a problem
Food cost as a percentage of the menu price — not the raw dollar amount — is what lets you compare a $8 appetizer and a $32 entrée on the same scale. A high percentage means the price isn't leaving enough room after ingredients, whatever the dollar figures look like individually.
Profit margin is the number that actually pays the bills
Gross profit per dish, divided by the menu price, is what tells you how much of every sale is actually left after food and labor cost — the number that funds rent, other staff, and everything else that isn't captured in a single dish's cost.
Re-run the math when ingredient prices move
A margin calculated when an ingredient cost $3 is wrong the month it costs $4.50. Menu prices rarely move as often as ingredient costs do, which means margins quietly erode until someone actually re-checks the numbers — not when the P&L finally shows it.
Use the template instead of doing this math by hand per dish
The Menu Item Cost & Margin Calculator already has this structure — food cost, labor cost, and menu price rolling up into total cost, gross profit, food cost percentage, and profit margin, recalculating live as you adjust any number. Open it in FLYNT Sheets and run it against your actual menu, and when a catering inquiry comes in, price it with the same real numbers using the Catering Proposal template.