How to Control Food Cost in a Restaurant

Knowing your food cost percentage is step one. Controlling it is where the money actually comes back.

Most restaurants calculate food cost once, maybe at menu launch, maybe quarterly, then run on autopilot until margins feel tight. By then, a 3-4% overage has been compounding for weeks. On $80,000 in monthly food sales, a 3% gap is $2,400/month you didn’t notice leaving. That cuts straight into already-thin restaurant profit margins.

Food cost control isn’t about buying cheaper ingredients or shrinking plates until customers complain. It’s about building habits that catch the gap between what food should cost and what it actually costs, then closing it.

Find the gap first

Before you try to fix anything, measure the gap between your ideal food cost (what your recipe cards say) and your actual food cost (what your COGS calculation shows).

If you haven’t calculated your food cost recently, start there. You need both the per-dish formula and the overall COGS formula.

Once you have both numbers, the difference tells you how much money your kitchen is leaking.

Under 2%? Your kitchen runs tight. 2-5%? Worth investigating. Over 5%? Something specific is wrong, and the tactics below will help you find it.

1. Standardize recipes and portions

This is the single highest-impact fix for most kitchens. If your cooks are eyeballing portions, your food cost is a moving target.

A line cook who scoops 8 oz of salmon instead of the recipe’s 6 oz just increased that dish’s protein cost by 33%. Across 40 salmon plates a night, that’s roughly $50/day in extra cost. $1,500/month from one ingredient on one dish.

What to do:

• Write recipe cards with exact weights for every component, especially proteins, cheese, and expensive garnishes
• Put a scale on the line. Digital scales cost $20-30 and save thousands
• Use portion scoops and ladles with known volumes. A 4 oz ladle for sauce, a 6 oz spoodle for pasta
• Run plate checks during the first week. Stand at the pass, weigh a few plates against the spec

You’re not weighing every pinch of parsley. Focus on the expensive stuff: proteins, dairy, oils. That’s where small overages add up fast.

2. Keep a waste log

Simple concept, rarely done. A clipboard next to the trash can with four columns: date, item, amount, reason.

Nobody likes tracking waste. But once you see “$340 of chicken thighs went to trim waste last month” written down, you start asking different questions. Is the butchering technique wrong? Should we buy a different cut? Are we over-prepping?

Common things a waste log reveals:

• You prep 40 portions of a dish that sells 25 on average. The rest sits in the walk-in and gets tossed Tuesday.
• New stock gets piled on top of old stock. The old stock spoils before anyone touches it.
• Uncovered items in the walk-in dry out or absorb odors. Herbs wilt because they’re stored at the wrong temperature.

A waste log costs nothing. Even tracking it for two weeks will show you where your biggest leaks are.

3. Track actual vs. ideal food cost weekly

Monthly COGS is standard. Weekly is better. The math is the same:

(Our food cost percentage formula guide breaks down all three versions of this formula with real examples.)

Just run it on a 7-day cycle instead of 30.

Weekly tracking means you catch a problem within days. A bad produce delivery, an invoice error, a line cook who’s heavy-handed with proteins — it shows up in the next count instead of hiding in a 30-day average.

Yes, weekly inventory counts take time. You don’t need to count everything. Count your top 10-15 items by dollar volume: proteins, dairy, seafood, cooking oils. These drive 60-80% of your food cost. If those numbers are in line, the rest probably is too.

4. Shop your suppliers

Restaurant Depot isn’t always the cheapest. Neither is Sysco or US Foods. Prices vary by item, by region, and by the week.

Get quotes from 2-3 suppliers for your highest-cost items. You don’t need to switch entirely. Many restaurants split orders: proteins from one supplier, produce from another, dry goods from a third.

Tactics that work:

• Compare your top 20 items. Don’t compare entire catalogs. Focus on the items that actually move your cost.
• Check Costco or Restaurant Depot for staples like butter, eggs, cooking oil, and canned goods. On butter alone, the difference can be $0.50-1.00/lb between suppliers.
• Lock in pricing on high-volatility items. Some suppliers offer 30-60 day price locks on proteins. That shields you from weekly swings.
• Buy whole and butcher in-house if you have the skill. Whole chickens at $1.80/lb vs. boneless breasts at $3.40/lb is a massive difference. The trade-off is labor time, so it only works if your kitchen has capacity.

One restaurant owner on Reddit discovered they'd been buying pre-made golgappa at full price when golgappa coins cost a fraction and worked just as well. Sometimes the savings are hiding in items you never thought to question.

5. Engineer your menu

Not every dish needs to make the same margin. But you should know which dishes earn their spot and which ones are dragging your average down.

Menu engineering sorts every dish into four categories based on popularity and contribution margin (the dollar profit per plate, not the percentage):

Category	Margin	Popularity	Action
Stars	High	High	Promote. Best menu position, server recommendations.
Plowhorses	Low	High	Raise price or reduce expensive components slightly.
Puzzles	High	Low	Better descriptions, repositioning, specials.
Dogs	Low	Low	Consider removing. Every dog takes a slot from something better.

Restaurants that run this analysis typically find 2-3 dishes quietly costing them money. Cutting or reworking those dishes can improve overall food cost by 1-2 percentage points. Start by running each dish through our recipe cost calculator to get the numbers you need.

6. Use daily specials to move inventory

Daily specials double as a waste prevention tool.

Chicken thighs that need to be used by tomorrow? That’s tonight’s special, not tomorrow’s waste log entry. Over-prepped risotto rice? Arancini. Aging produce? Soup of the day.

This only works if the kitchen knows what’s approaching its use-by date. A quick walk-in check at the start of each shift, five minutes tops, catches items before they become waste.

If specials prevent even $200/week in food waste, that’s $10,400/year going back to your bottom line instead of into the dumpster.

7. Update recipe costs when prices change

Supplier prices shift constantly. Chicken breast went from $2.80/lb to $3.40/lb over six months in 2025. Beef and veal are projected up 5.5% in 2026. If your recipe cards still show last quarter’s prices, every menu price based on those numbers is wrong, and your actual food cost is higher than you think.

The problem: updating one ingredient means recalculating every recipe that uses it. A restaurant with 30-50 dishes? That’s hours of spreadsheet work. Most people skip it. Recipe costing software exists to solve exactly this problem. The food cost drifts up quietly, and by the time you notice, you’ve been undercharging for weeks.

Start with the biggest leak

You don’t need all seven tactics at once. Find your gap, then focus on whatever is causing the largest share of it.

If portions are inconsistent, start with recipe cards and a scale. If you’re throwing food away, start with the waste log. If you haven’t checked supplier prices in six months, get quotes this week.

The restaurants that control food cost aren’t doing anything complicated. They’re doing simple things consistently and catching the small leaks before they compound into big ones.

You can start right now with our free food cost calculator. Enter your ingredients, quantities, and prices, see your food cost percentage, and figure out where to focus.