Restaurant owners often dream of doubling revenue from their existing kitchen, but most never crunch the actual numbers first. You might launch that delivery concept or lunch service only to discover it's cannibalizing your main business. Smart operators calculate feasibility before investing a single dollar.
What is a second concept?
A second concept creates an additional revenue stream from your same kitchen space:
- Delivery-only brand alongside your dine-in restaurant (like pizza through third-party apps)
- Lunch service complementing your dinner-focused concept
- Catering operation running parallel to daily service
- Alternative menu targeting different demographics
- Ghost kitchen brand exclusively for delivery platforms
The upside? You're leveraging existing kitchen space, staff, and often overlapping ingredients. The downside? You must verify your capacity and margins can actually support dual operations.
The 4 financial pillars you need to calculate
Every second concept requires mapping these cost categories:
💡 Example: Pizzeria launches delivery brand
Restaurant generates €30,000 monthly. Adding delivery concept:
- Projected additional revenue: €8,000/month
- Platform commissions (25%): €2,000/month
- Additional packaging: €400/month
- Extra labor (10 hours weekly): €600/month
Net addition: €5,000/month (but is this sufficient?)
Kitchen capacity and timing
Your kitchen operates within finite capacity limits. Exceed them, and either quality deteriorates or labor costs spike.
Evaluate these factors:
- Can your oven, fryer, and grill accommodate increased volume?
- Do you have adequate cold storage for additional inventory?
- Do both concepts' rush periods coincide?
- Can your current team execute both concepts simultaneously?
⚠️ Critical consideration:
When both concepts surge during 18:00-20:00, you risk compromising quality across the board. Either budget for additional staffing or select a concept with staggered peak times.
Break-even calculation for second concept
Your break-even calculation requires:
Formula:
Break-even revenue = Fixed costs second concept / (1 - Variable costs percentage)
Variable costs for second concept:
- Food costs (typically 28-35%)
- Platform commissions for delivery (15-30%)
- Packaging expenses (2-5%)
- Additional labor per transaction
💡 Calculation walkthrough:
Delivery concept with these expenses:
- Food costs: 30%
- Platform commission: 25%
- Packaging: 3%
- Additional labor: 10%
Total variable: 68%
Monthly fixed costs: €1,200 (marketing, administrative overhead)
Break-even: €1,200 / (1 - 0.68) = €3,750 monthly
ROI and payback period
Determine your required investment and timeline to profitability:
Initial investments:
- Additional kitchen equipment
- Packaging inventory
- Marketing and branding for new concept
- Platform setup fees
- Menu development and photography
ROI calculation:
(Monthly net profit second concept × 12) / Total investment × 100
💡 ROI illustration:
Initial investment: €5,000 (equipment plus marketing)
Monthly net profit: €1,800
ROI: (€1,800 × 12) / €5,000 × 100 = 432% annually
Payback timeline: €5,000 / €1,800 = 2.8 months
Risks and scenario planning
From tracking this across dozens of restaurants, I've seen operators who plan for these scenarios succeed more often:
Conservative scenario (70% of projected revenue):
- Do you still achieve break-even?
- How much loss can you absorb for 3-6 months?
- Can you exit quickly without substantial losses?
Aggressive scenario (150% of projected revenue):
- Can your kitchen handle this volume surge?
- Do you have adequate staffing?
- Will quality standards be maintained?
Tools for the calculation
Accurate calculations demand:
- Precise cost per dish for the new concept
- Realistic monthly revenue projections
- Complete mapping of fixed and variable expenses
- Break-even analysis across multiple scenarios
Tools like KitchenNmbrs can calculate exact cost prices for your new concept dishes and model different scenarios without spreadsheet complications.
How do you calculate feasibility? (step by step)
Inventory all extra costs
Make a list of all costs the second concept brings: platform fees, packaging, extra labor, marketing and any equipment investments. Don't forget small items like extra administration or insurance.
Calculate your break-even point
Use the formula: Break-even revenue = Fixed costs / (1 - Variable costs %). Add up all variable costs (food cost, platform fees, packaging) and divide your monthly fixed costs by what's left.
Test three scenarios
Calculate what happens at 70%, 100% and 150% of your expected revenue. Check if you're still profitable in the pessimistic scenario and whether your kitchen can handle the optimistic scenario without quality loss.
✨ Pro tip
Launch with just 3 dishes for your second concept and track performance for 8 weeks before expanding. This minimizes upfront investment while revealing which items resonate with customers and generate the strongest margins.
Calculate this yourself?
In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
Was this article helpful?
Frequently asked questions
What minimum return should a second concept deliver?
Target at least 15-20% net margin after all expenses. Anything lower becomes risky since you're splitting attention between two operations. If your primary concept achieves 25% margin, your second concept should match or exceed that threshold.
How long does it take for a second concept to become profitable?
Typically 3-6 months to reach break-even, 6-12 months for full profitability. Delivery concepts can scale faster due to platform reach. Catering operations often require longer runway due to relationship-building requirements.
Should I maintain separate accounting for the second concept?
Absolutely - keep revenue and costs completely separate. This shows true profitability and enables tax optimization through separate depreciation schedules. Use distinct product codes or cost centers in your accounting system.
Can I use the same staff for both concepts?
Often yes, but budget for 10-20% additional labor hours. Train your team thoroughly on both concepts and ensure workload remains manageable. Staggered peak hours allow more efficient staff deployment across concepts.
📚 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.
Calculate your break-even point in seconds
Food cost is just one part of the story. KitchenNmbrs also helps you structure labor costs and other expenses for a complete break-even overview. Start free.
Start free trial →