Here's what nobody tells you about mise-en-place: most restaurants get their staffing wrong every single night. They're either burning money on too many hands or setting themselves up for disaster with too few. The difference between smooth service and complete chaos often comes down to one simple calculation.
Why mise-en-place calculation is crucial
A well-organized mise-en-place separates the pros from the amateurs. Too few chefs means you're scrambling and making costly mistakes. Too many chefs means you're bleeding money on labor. The sweet spot? Just enough staff to handle your prep without breaking the bank.
⚠️ Heads up:
Most kitchens only look at expected covers, but they're missing half the equation. A menu loaded with complex prep work demands more hands than simple dishes ever will.
The basic formula for mise-en-place planning
Here's your math: expected covers × prep time per dish ÷ available work time = number of chefs. Sounds simple, but the devil's in the details.
- Expected covers: realistic numbers based on your historical data
- Prep time per dish: actual minutes each dish demands for proper preparation
- Available work time: hours your chefs have before service kicks off
- Buffer for the unexpected: always add 10-15% extra
💡 Example:
Saturday night projection: 120 covers
- Steak (40 portions): 2 min prep each = 80 min
- Fish (35 portions): 4 min prep each = 140 min
- Pasta (45 portions): 1 min prep each = 45 min
Total prep time: 265 minutes = 4.4 hours
With 3 hours available: 4.4 ÷ 3 = 1.5 chef → 2 chefs needed
Prep times by dish type
Different dishes eat up different amounts of time. Here's what you're really looking at per portion:
- Grilling/frying meat: 1-2 minutes (seasoning, temperature prep)
- Filleting/portioning fish: 3-5 minutes (cutting, quality checks, marinating)
- Cutting vegetables: 2-3 minutes per portion (varies with knife work complexity)
- Making sauces: 0.5-1 minute per portion (batch cooking advantage)
- Garnishing: 1-2 minutes per portion (complexity dependent)
💡 Example complex calculation:
Restaurant with 3-course menu, 80 covers expected:
- Appetizer: 80 × 2 min = 160 min
- Main course: 80 × 4 min = 320 min
- Dessert: 80 × 1.5 min = 120 min
- Total: 600 minutes = 10 hours prep work
With 4 hours available: 10 ÷ 4 = 2.5 → 3 chefs needed
Factors that mess with your planning
Beyond the basic math, these variables will throw you off if you don't account for them. It's the kind of thing you only learn after closing your first month at a loss:
- Team experience: New chefs move 20-30% slower than veterans
- Kitchen layout: Bad flow design costs precious minutes in wasted movement
- Season/events: High-pressure periods demand bigger safety nets
- Menu complexity: Diverse dishes create prep time variations
⚠️ Heads up:
Always build in that 10-15% cushion. One chef too many beats being short-handed every time. Mise-en-place stress infects your entire service.
Cost calculation: what does extra staff cost?
Extra chefs cost money, sure. But understaffing costs way more. Here's the breakdown:
- Chef hourly rate: €15-18 per hour (including employer contributions)
- Average mise-en-place time: 3-4 hours for evening service
- Cost per extra chef: €45-72 per service
💡 Cost vs. benefit:
Extra chef costs €60 per service, but prevents:
- Poor mise-en-place → longer guest wait times
- Stress → more mistakes → food waste
- Overtime for other chefs → premium labor rates
€60 investment prevents €200+ in operational problems
Digital planning with tools like KitchenNmbrs
Manual planning eats time and breeds errors. A food cost calculator records prep times per dish and automatically calculates staffing needs based on your reservations and expected walk-ins.
The system tracks actual prep time for each dish and calculates your chef requirements. No more guessing games - just data-driven staffing that sets you up for success every service.
How do you calculate mise-en-place staff? (step by step)
Gather your data
Note for each dish how much prep time it takes per portion. Measure this a few times to get an average. Also look at your reservations and historical data for a realistic expectation of covers.
Calculate total prep time
Multiply expected portions per dish by prep time per portion. Add all dishes together. This gives you the total prep time in minutes for the entire service.
Divide by available time
Divide the total prep time by the number of hours your chefs have before service starts. Always round up and add 10-15% buffer for unexpected rush.
✨ Pro tip
Time your actual prep work against your calculations for 4 weeks straight. You'll spot patterns that pure theory misses - like how your team slows down on Mondays or speeds up during weekend rushes.
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
How much buffer should I build in for mise-en-place?
Always plan 10-15% extra time as your baseline. During busy periods or with inexperienced staff, bump that to 20%. It's better to plan generously than scramble when service hits.
What if I get fewer guests than expected?
Excess mise-en-place beats shortage every time. Most leftover prep carries over to the next day anyway. Too little prep means stressed staff and compromised service quality.
How do I calculate prep time for new dishes?
Have your chef prepare the dish multiple times while timing each step. Start with generous estimates and refine based on real experience. New dishes always take longer than your initial guess.
Should I factor in chef experience in the calculation?
Absolutely - new chefs work 20-30% slower than seasoned pros. Veterans move faster but also make fewer costly mistakes. Always give new staff more generous time allowances.
What if my kitchen layout is poorly designed?
Bad kitchen flow can add 15-25% to prep times from excessive movement and searching. Factor this into your calculations or invest in better organization to reclaim that lost efficiency.
How do I handle seasonal menu changes in staffing calculations?
Recalculate prep times for each seasonal menu rollout since new dishes disrupt established rhythms. Track the learning curve for your team - it typically takes 2-3 weeks to hit optimal prep speeds with menu changes.
📚 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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