Like choosing between polishing existing diamonds or mining for new ones, restaurant owners face the upselling versus new product dilemma daily. Most entrepreneurs assume more variety automatically drives revenue, yet experienced operators often earn more by encouraging existing guests to order additional items. The math usually favors maximizing what you already serve well.
Examine your current sales data
Start by reviewing what you already serve before adding complexity. Most establishments have a handful of bestsellers generating 60-70% of total revenue. These proven performers represent your strongest upselling opportunities.
💡 Example:
Restaurant with 10 main courses:
- Top 3 dishes: 65% of revenue
- Next 4 dishes: 25% of revenue
- Last 3 dishes: 10% of revenue
Maximizing those top 3 generates more profit than 3 additional dishes.
Calculate your upselling potential
Review your average check size and identify guests ordering only main courses. Each customer you convert to appetizers, sides, or desserts boosts revenue without additional marketing spend.
💡 Example calculation:
100 guests per week, average €22 per person:
- Current revenue: €2,200 per week
- 40 guests order only main course
- Upsell to appetizer (€8): +€320 per week
- Annual revenue increase: €16,640
That exceeds what most new dishes deliver.
Compare investment: upselling versus new products
New menu items demand time, capital, and resources. You'll need recipe development, staff training, ingredient sourcing, and promotional efforts. Upselling uses existing inventory and capabilities.
- New products: Development expenses, training costs, unpredictable demand
- Upselling: Staff coaching investment only
- New product risks: Poor performance, increased inventory waste
- Upselling risks: Minimal, utilizes current capacity
⚠️ Note:
Underperforming new dishes create waste expenses and inflate your food cost percentage. Upselling eliminates this downside risk.
Measure your upselling conversion rates
Track for two weeks how many guests purchase extras without staff encouragement. Then implement upselling training and measure again. From analyzing actual purchasing data across different restaurant types, establishments typically see 15-25% improvement in conversion rates with proper training. These real numbers reveal your true potential.
💡 Practical test:
Week 1-2 (no active upselling):
- 25% order appetizer
- 15% order dessert
- 30% order extra drink
Week 3-4 (active upselling by staff):
- 45% order appetizer (+20%)
- 35% order dessert (+20%)
- 50% order extra drink (+20%)
Result: 35% higher average check without new products.
Situations favoring new products
New menu items occasionally make sense, but only under specific circumstances. If upselling performs well and you have extra capacity, cautious expansion might work.
- Seasonal opportunities: Limited-time offerings with seasonal ingredients
- Menu gaps: Missing essential categories (vegetarian, kids' options)
- Competitive pressure: Customers consistently request unavailable items
- Excess capacity: Your kitchen handles additional complexity easily
The financial comparison: upselling versus expansion
Effective upselling boosts your average check by 20-40% without additional costs. New products must recover development expenses before generating profit.
💡 ROI comparison:
Upselling strategy (€500 staff training):
- Investment: €500
- Extra revenue per month: €2,000
- ROI: 4 months
New dish (€2,000 development + marketing):
- Investment: €2,000
- Extra revenue per month: €800
- ROI: 30 months
Upselling delivers ROI 26 months faster.
How do you determine if upselling or new products makes more sense?
Analyze your top 5 dishes
Look at which dishes sell the most and what their food cost is. These dishes are your foundation for upselling because guests already like them.
Measure your current upselling percentage
Count for two weeks how many guests order an appetizer, side dish, or dessert. This is your baseline without active selling.
Calculate the financial potential
Work out how much extra revenue you generate if 20% more guests order an additional course. Compare this to the cost of developing new products.
✨ Pro tip
Review your POS reports for the past 45 days - if fewer than 35% of customers order appetizers, staff training will generate faster returns than menu expansion. Focus your upselling efforts during your busiest dinner hours for maximum impact.
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 guests ask for more choice on the menu?
Ask what specifically they're missing. Often they don't want more options, but an improved version of existing offerings. You can address this through modifications rather than entirely new dishes.
How do I train my staff in upselling without being pushy?
Teach them to suggest items based on guest selections. 'Would you like an appetizer with that?' works better than reciting lengthy lists. Focus on natural, complementary pairings.
How do I know when my menu is too small?
You'll notice when you regularly lose guests due to missing basic categories like vegetarian options, kids' meals, or allergy-friendly dishes. Or when comparable competitors consistently outsell you with similar quality.
What's a realistic upselling improvement?
Well-trained staff typically increase upselling by 15-25%. Moving from 20% to 35% appetizer attachment rates is achievable. Exceeding 50% becomes challenging without seeming pushy.
📚 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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