📝 Seasonality and purchasing · ⏱️ 2 min read

How do I calculate the impact of heavier winter dishes on my food cost per guest?

📝 KitchenNmbrs · updated 13 Mar 2026

Winter dishes are often heavier and more expensive than summer dishes. More meat, richer sauces and pricier seasonal ingredients can significantly increase your food cost. In this article, you'll learn step-by-step how to calculate exactly what those heavier winter dishes cost you per guest.

Why winter dishes are more expensive

In winter, guests eat differently. They want warmth, comfort and satisfaction. That means:

  • More meat per portion (250g steak instead of 180g summer salad)
  • Richer sauces with cream, butter and wine
  • Pricier seasonal ingredients (asparagus, mushrooms)
  • More sides (potato gratin instead of simple salad)

💡 Example:

Summer dish: Grilled chicken with salad (€6.50 ingredients)

Winter dish: Beef tenderloin with truffle sauce (€12.80 ingredients)

Difference: €6.30 per guest

Calculating the difference per season

To measure the impact, compare the average ingredient costs per guest between seasons.

Formula:
Difference per guest = (Average ingredient costs winter - Average ingredient costs summer)

💡 Example calculation:

You're running 5 main courses in winter:

  • Beef tenderloin: €12.80 (30% of sales)
  • Duck breast: €9.40 (25% of sales)
  • Game stew: €8.20 (20% of sales)
  • Salmon fillet: €7.60 (15% of sales)
  • Risotto: €5.90 (10% of sales)

Weighted average: (12.80×0.30) + (9.40×0.25) + (8.20×0.20) + (7.60×0.15) + (5.90×0.10) = €9.48 per guest

Impact on your food cost percentage

Heavier dishes often mean higher food cost, unless you adjust your prices.

⚠️ Watch out:

If your ingredient costs rise by €3 per guest, but you keep your selling prices the same, your food cost increases by roughly 8-10 percentage points. That can be the difference between profit and loss.

Many restaurants deliberately accept a slightly higher food cost in winter (32-38% instead of 28-32%) because guests are willing to pay more for comfort food.

Seasonal price adjustments

Most restaurants adjust their prices twice a year: spring and fall. This compensates for pricier ingredients.

💡 Example price adjustment:

Beef tenderloin ingredients: €12.80

Desired food cost: 30%

Minimum selling price excl. VAT: €12.80 ÷ 0.30 = €42.67

Menu price: €42.67 × 1.09 = €46.50

Monitoring throughout the season

Check your average ingredient costs per guest weekly. This way you'll immediately see if your winter menu is becoming too expensive.

With a system like KitchenNmbrs you automatically see your weighted average food cost per day, without having to manually calculate with sales figures.

How do you calculate the impact of winter dishes on your food cost?

1

Calculate ingredient costs per winter dish

Add up all ingredients for each main course: meat, vegetables, sauces, sides, oil and butter. Don't forget anything that goes on the plate.

2

Determine the sales mix per dish

Look at your cash register data from last winter. What percentage of your guests choose which dish? You need this for the weighted average.

3

Calculate weighted average ingredient costs

Multiply each ingredient cost by the sales percentage and add everything up. This gives you the average cost per guest in winter.

4

Compare with summer dishes

Do the same calculation for your summer menu. The difference between winter and summer shows you the seasonal effect on your food cost per guest.

5

Calculate impact on annual basis

Multiply the difference per guest by your number of winter guests (October-March). This shows you what heavier winter dishes cost you per year.

✨ Pro tip

Check your top 3 best-selling winter dishes for food cost every 2 weeks. If one dish exceeds 38%, adjust the portion size or raise the price.

Calculate this yourself?

In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.

Try KitchenNmbrs free →

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Frequently asked questions

How much higher can my food cost be in winter?

Many restaurants accept 3-5 percentage points higher in winter. If you normally have 30% food cost, 33-35% in winter is acceptable, as long as your revenue per guest is also higher.

Do I need to adjust my prices every month for seasonal ingredients?

No, that confuses guests. Most restaurants adjust twice a year: April (summer menu) and October (winter menu). Only adjust in between for extreme price increases.

How do I prevent winter dishes from becoming too expensive?

Mix expensive and affordable dishes on your winter menu. Alongside beef tenderloin, also offer pastas and risottos. This keeps your average ingredient cost per guest manageable.

Which ingredients increase the most in price during winter?

Fresh vegetables (tomatoes, cucumbers), certain fish (tuna, sea bream) and seasonal products like asparagus. Meat and cheese usually remain more stable in price.

How do I calculate the impact on my total profit?

Multiply the difference in food cost per guest by your number of winter guests. If you spend €2 more per guest and you have 5,000 guests in winter, that costs you an extra €10,000.

ℹ️ This article was prepared based on official sources and professional expertise. While we strive for current and accurate information, the content may differ from the most recent regulations. Always consult the official authorities for binding standards.

📚 Sources consulted

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.

JS

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.

🏆 8 years kitchen manager at 1NUL8 Group Rotterdam
Expertise: food cost management HACCP kitchen management restaurant operations food safety compliance

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