A popular café near downtown recently discovered they were losing €3 per guest on their weekend brunch buffet because they forgot to include coffee and pastry costs. You calculate the cost per person by totaling all ingredient expenses and dividing by guest count. But many operators miss hidden costs like spreads, beverages, and seasonings that quietly eat into profits.
Why cost per person matters for your bottom line
With brunch buffets, you set prices upfront based on expected guests. Underestimate your costs? You'll lose money on every person who walks through the door. Price too high and you'll scare away customers to competitors.
⚠️ Note:
Always calculate with 10-15% more guests than expected. People often bring someone along or show up unexpectedly. Better to have leftovers than run short.
Map out every ingredient category
Brunch buffets contain way more components than most operators realize. Don't skip any category:
- Bread and pastries: various bread types, croissants, muffins
- Savory toppings: cheese, cold cuts, salmon, hummus
- Sweet spreads: jam, honey, chocolate spread, peanut butter
- Hot dishes: scrambled eggs, bacon, sausage, fried potatoes
- Fresh produce: fruit, vegetables, salad
- Dairy: milk, yogurt, quark, butter
- Beverages: coffee, tea, juices, water
- Other: oil, spices, salt, pepper
Figure out realistic portions per guest
Use these portions as your starting point:
? Standard quantities per person:
- Bread: 3-4 slices (120-150 grams)
- Cold cuts: 80-100 grams
- Cheese: 60-80 grams
- Butter/spread: 20 grams
- Fruit: 150 grams
- Hot dishes: 200-250 grams total
- Coffee: 2-3 cups per person
Real numbers breakdown for 50 guests
Here's exactly how you crunch the numbers for 50 people:
? Example brunch buffet 50 people:
Bread and pastries:
- 25 loaves at €2.50 = €62.50
- 50 croissants at €0.60 = €30.00
Toppings and dairy:
- Cold cuts (4kg): €48.00
- Cheese (3kg): €45.00
- Butter, jam, spreads: €25.00
Hot dishes:
- Eggs, bacon, sausage: €65.00
- Potatoes, vegetables: €30.00
Other:
- Fruit and salads: €40.00
- Coffee, tea, juices: €35.00
- Oil, spices, other: €15.00
Total ingredients: €395.50
Cost price per person: €395.50 / 50 = €7.91
Factor in waste and unexpected costs
Always bump up your total by 10-15% for waste and surprises. From years of working in professional kitchens, I've learned that something always goes wrong - burnt eggs, dropped trays, or guests eating more than expected.
? Include waste:
Cost price €7.91 + 15% waste = €7.91 × 1.15 = €9.10 per person
Actual cost price: €9.10 per person
Turn cost price into profitable selling price
For healthy margins, aim for 25-30% food cost. Your ingredients should cost maximum 30% of what guests pay.
Formula: Minimum selling price = Cost price / (Desired food cost / 100)
? Selling price calculation:
Cost price: €9.10 per person
Desired food cost: 28%
Minimum price excl. VAT: €9.10 / 0.28 = €32.50
Selling price incl. 9% VAT: €32.50 × 1.09 = €35.43
Watch for seasonal price swings
Your costs won't stay the same year-round. Fresh produce costs more in winter, and holiday periods can spike prices across the board. Update your calculations monthly based on current supplier invoices.
⚠️ Note:
Check your supplier invoices monthly. Prices can quietly go up without you noticing. A 10% increase in your purchases means directly less profit.
Spreadsheets vs automated tracking
Many operators rely on Excel for cost calculations, but buffets with dozens of ingredients get messy fast. Food cost calculators like KitchenNmbrs automatically track ingredient prices and calculate per-person costs without manual updates.
How do you calculate brunch buffet cost price? (step by step)
Make a complete ingredient list
Write down ALL ingredients you need: bread, toppings, hot dishes, fruit, beverages and even butter and jam. Don't forget spices, oil and coffee either. The more complete your list, the more accurate your cost price.
Calculate quantities per person
Use standard quantities: 120g bread, 80g cold cuts, 60g cheese per person. Multiply by your expected number of guests plus 10-15% extra for unforeseen. Add up all ingredient costs.
Divide total costs by number of people
Divide your total ingredient costs by the number of guests. Add 15% waste on top. This is your actual cost price per person. For your selling price divide by your desired food cost percentage (usually 25-30%).
✨ Pro tip
Track your coffee consumption separately for the first 3 weekend brunches. Most operators underestimate beverage costs by 30-40%, and coffee alone can add €2-3 per person to your actual costs.
Calculate this yourself?
In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
Calculate it yourself?
Our free food cost calculator does it in seconds.
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Frequently asked questions
What percentage waste should I calculate for a brunch buffet?
Should I include VAT in my cost price calculation?
How often should I update my cost price?
What if fewer guests show up than expected?
Can I charge the same cost price for weekend and weekday brunch?
How do I handle guests with dietary restrictions in my cost calculations?
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
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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