Sales history transforms seasonal menu planning from guesswork into strategy. Most restaurant owners rely on intuition, creating costly mistakes with slow-moving dishes and stockouts on popular items. Previous season data eliminates waste and maximizes profit.
Gather your sales data from previous seasons
Start by digging into your sales data. Which dishes sold best? Which ones didn't move? And importantly: exactly when in the season?
💡 Example:
Restaurant De Boomgaard, spring menu 2023:
- Asparagus soup: 340 portions sold (March-June)
- Lamb rack with wild rice: 180 portions (entire season)
- Strawberry bavarois: 520 portions (April-July)
Asparagus soup and strawberry were clear winners.
Look beyond raw numbers—timing matters. Asparagus peaks in March-April, then demand plummets. That insight drives smarter purchasing decisions.
Analyze profitability per seasonal dish
Popularity doesn't equal profit. Calculate actual food costs for each seasonal dish from last year's data.
💡 Example calculation:
Asparagus soup (sold for €14.50 incl. VAT):
- Selling price excl. VAT: €13.30
- Ingredient costs: €4.20
- Food cost: (€4.20 / €13.30) × 100 = 31.6%
Great margin for a seasonal dish.
Watch seasonal ingredient pricing closely. Asparagus jumps from €8/kg in March to €18/kg in July. That swing destroys margins if you're not careful.
Identify patterns in seasonal sales
Hunt for recurring trends. When does demand ignite? Peak? Crash?
- Early season dishes: People crave first tastes (asparagus, strawberries)
- Comfort food: Weather trumps season—cold snaps boost sales
- Light dishes: Heat drives demand, regardless of calendar
⚠️ Watch out:
Seasonal dishes often have razor-sharp peaks. Don't stretch ingredient purchases beyond their sweet spot.
Based on real restaurant P&L data, dishes that perform consistently across 3+ seasons typically generate 15-20% higher profit margins than experimental seasonal items.
Plan your new menu with data insights
Transform findings into menu decisions. Which dishes return? Which get axed? What needs tweaking?
💡 Example decisions:
Based on 2023 data:
- Asparagus soup: Back on menu (popular + profitable)
- Lamb rack: Swap for veal (too few sold)
- Strawberry bavarois: Keep, but launch earlier (March vs April)
Result: Less risk, better margins.
Set realistic purchasing quantities
Historical sales data beats guesswork every time. Calculate last year's portions, then project forward.
Formula for purchasing quantity:
Expected portions = Portions last year × (1 + growth%) × (1 + new dishes impact)
💡 Example:
Asparagus for soup:
- 2023: 340 portions sold
- Expected growth: 10%
- 2024 estimate: 340 × 1.10 = 374 portions
- Per portion: 150g asparagus
- Total needed: 374 × 0.15kg = 56kg asparagus
Plus 10% buffer = 62kg total purchase.
Monitor and adjust during the season
Last year's data provides the foundation, but each season brings surprises. Track weekly performance against projections.
- Week 1-2: Meeting expectations? If not, pivot fast
- Week 3-4: Which dishes are crushing projections? Order more
- Mid-season: Decide whether to push through or wind down
Tools like KitchenNmbrs show real-time seasonal dish performance against your plan, eliminating manual tracking headaches.
How do you plan a seasonal menu with sales history? (step by step)
Gather sales data from previous seasons
Pull from your POS system or records exactly which seasonal dishes you sold, how many portions per dish, and in which period. Also note the selling prices from back then.
Calculate food cost of all seasonal dishes
Work out what each seasonal dish cost in ingredients and what the food cost percentage was. Pay extra attention to seasonal ingredients that fluctuate in price during the season.
Identify winners and losers
Make a list of dishes that were both popular and profitable (winners), and dishes that sold poorly or had too little margin (losers).
Plan new menu with data insights
Bring back winners, replace losers with new dishes, and adjust timing based on sales patterns. Calculate realistic purchasing quantities per ingredient.
Monitor performance during the season
Track weekly how your new seasonal menu performs versus your expectations. You can always adjust, but early in the season is easier than late.
✨ Pro tip
Compare your sales data against 2-3 similar restaurants in your area from the past 18 months. You'll often catch seasonal trends that your solo data missed.
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
What if I don't have detailed sales data from previous seasons?
Start tracking immediately this season. Record daily portion counts for each seasonal dish. After 2-3 weeks, patterns emerge. For now, estimate conservatively with 20% extra buffer.
How far in advance should I plan my seasonal menu?
Plan 6-8 weeks ahead minimum. You need supplier lead times, staff training on new dishes, and marketing prep. Popular seasonal ingredients often require advance reservations.
What if a seasonal dish sells much worse this year than last year?
Analyze the cause: weather differences, new competition, or shifting guest preferences? Act quickly—reduce portion sizes, adjust pricing, or replace the dish entirely.
Should I account for inflation in my seasonal planning?
Absolutely, especially for seasonal ingredients. Check supplier price forecasts and budget 5-15% increases from last year, depending on the product and market conditions.
📚 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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