Inheriting a previous chef's menu often means inheriting their margin problems too. Food costs shift, supplier prices change, and what worked six months ago might be bleeding money today. The challenge isn't just identifying problem dishes—it's fixing them without alienating your customers.
Analyze the damage first
Before making sweeping changes, figure out which dishes actually need fixing. Not every inherited recipe will be a problem child.
💡 Example:
Restaurant with 12 dishes from previous chef:
- 5 dishes: food cost under 30% → excellent
- 4 dishes: food cost 32-37% → questionable
- 3 dishes: food cost above 40% → problem
Focus on the 3 problematic ones, not all 12.
Run the numbers on food cost per dish: ingredient costs divided by selling price excluding VAT, times 100. Sort them into categories:
- Acceptable: 28-35% food cost
- Questionable: 35-40% food cost
- Loss-maker: above 40% food cost
Choose your strategy per dish
Each problematic dish gives you four paths forward. Your choice depends on how popular it is and whether it defines your restaurant's identity.
💡 Example: Beef tenderloin with truffle sauce
Current situation:
- Selling price: €42.00 (€38.53 excl. VAT)
- Ingredient costs: €18.50
- Food cost: 48% → way too high
Options:
- Raise price to €52.00 → food cost 39%
- Smaller portion (180g → 150g) → food cost 41%
- Replace with ribeye → food cost 32%
Option 1: Raise the price
Calculate your new price: ingredient costs divided by desired food cost (say 0.30). Add VAT for the final menu price.
Option 2: Adjust portion size
Trim portions or swap expensive garnishes for cheaper ones. But be subtle—guests notice dramatic size reductions.
Option 3: Replace ingredients
Find cheaper alternatives that won't compromise the dish's core appeal.
Option 4: Replace the dish
Scrap it entirely and create something new that hits your margin targets from day one.
Communicate changes smartly
Guests will notice your adjustments. How you frame these changes determines whether they stick around or walk away.
⚠️ Watch out:
Never change more than 30% of your menu at once. Guests need anchors - familiar dishes that stay the same.
For price increases:
- Make all adjustments at once, not in waves
- Time it with seasonal menu updates
- Frame it as maintaining quality despite rising costs
For recipe changes:
- Test new versions with your regulars first
- Keep dish names consistent if the essence remains
- Brief your staff on what's different and why
For new dishes:
- Position them as "seasonal specials" or "new chef favorites"
- Give them prime real estate on your menu
- Make sure servers taste and can sell them confidently
Ensure a smooth transition
Timing matters. Rush too many changes and you'll confuse both your team and your customers.
💡 Example timeline:
Month 1:
- Analyze all dishes for food cost
- Choose strategy per problematic dish
- Test 2-3 new recipes
Month 2:
- Implement price adjustments
- Replace 1-2 loss-makers with new dishes
- Monitor guest reactions
Month 3:
- Evaluate results
- Adjust another 1-2 dishes if needed
- Calculate new average food cost
Track your sales data per dish throughout this process. If an adjusted dish suddenly tanks in popularity, you might need a different approach.
From years of working in professional kitchens, I've seen too many chefs try to fix everything at once and end up creating more problems. Patience pays off here.
A food cost calculator like KitchenNmbrs makes tracking these adjustments much easier, so you can see which fixes work and which need tweaking.
How do you tackle a problematic menu? (step by step)
Calculate the food cost of all current dishes
Make a list of all dishes with their ingredient costs and selling prices. Calculate per dish: (ingredient costs / selling price excl. VAT) × 100. Mark all dishes above 35% food cost as problematic.
Determine the best approach per problematic dish
For each dish with too high food cost, calculate what a price increase, smaller portion, cheaper ingredients, or replacement would achieve. Choose the option that has the least impact on guests but still restores your margin.
Implement changes gradually
Change a maximum of 30% of your menu at a time. Start with the biggest loss-makers and give guests time to adjust. Monitor sales figures per dish to see if adjustments work.
✨ Pro tip
Target your 3 highest-volume dishes with margins above 38% within the first 30 days. These volume leaders have the biggest impact on your bottom line and justify the extra effort to get them right.
Calculate this yourself?
In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
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Frequently asked questions
Should I keep popular dishes with poor margins?
Calculate what that dish costs you monthly in lost margin first. If it's bleeding more money than you'd lose by replacing it, make the change. Popularity doesn't justify consistent losses.
What if guests complain about changed recipes?
Acknowledge their feedback and explain you're preserving quality despite rising ingredient costs. Train staff to highlight benefits of new ingredients. If complaints persist, consider reverting temporarily while you find a better solution.
How do I time price increases without losing customers?
Bundle them with seasonal menu changes so they feel natural. Never increase more than 15% above local competitor pricing for similar dishes. One big adjustment works better than gradual creep.
📚 Sources consulted
- EU Verordening 852/2004 — Levensmiddelenhygiëne (2004) — Official source
- EU Verordening 853/2004 — Hygiënevoorschriften voor levensmiddelen van dierlijke oorsprong (2004) — Official source
- EU Verordening 1169/2011 — Voedselinformatie aan consumenten (2011) — Official source
- NVWA — Hygiënecode voor de horeca (2024) — Official source
- NVWA — Allergenen in voedsel (2024) — Official source
- Codex Alimentarius — International Food Standards (2024) — Official source
- FSA — Safer food, better business (HACCP) (2024) — Official source
- BVL — Lebensmittelhygiene (HACCP) (2024) — Official source
- Warenwetbesluit Bereiding en behandeling van levensmiddelen (2024) — Official source
- WHO — Foodborne diseases estimates (2024) — Official source
Food Standards Agency (FSA) — https://www.food.gov.uk
The HACCP standards shown in this application are for informational purposes only. KitchenNmbrs does not guarantee that displayed values are current or complete. Always consult the FSA or your local authority for the latest regulations.
Written by
Jeffrey Smit
Founder & CEO of KitchenNmbrs
Jeffrey Smit built KitchenNmbrs from 8 years of hands-on experience as kitchen manager at 1NUL8 Group in Rotterdam. His mission: give every restaurant owner control over food cost.
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