Your kitchen fills with the rich aroma of beef stew that's been simmering for hours, but you're wondering if those extended cooking times are eating into your profits. Slow-cooked dishes operate on a completely different cost structure than quick-fire menu items. You'll need to account for extended energy usage and labor hours, though cheaper ingredient cuts often balance the equation.
Why stew operates differently
Slow-cooked stews demand 3-6 hours of cooking time. That translates to higher energy bills and extended labor commitments, but you're working with budget-friendly meat cuts that transform into tender, flavorful dishes through extended heat.
💡 Example:
Beef stew for 4 people:
- Beef chuck: 800g at €12/kg = €9.60
- Vegetables (onion, carrot, celery): €2.40
- Wine, broth, herbs: €1.80
- Energy (5 hours cooking): €1.20
Total: €15.00 for 4 portions = €3.75 per portion
Don't overlook the hidden expenses
Most restaurant owners miss the additional costs that slow cooking creates:
- Energy costs: 5 hours on the stove runs €1-2 per pan
- Labor costs: Prep work, periodic checking, final touches
- Cooking loss: Liquids evaporate, overall weight drops
- Storage costs: Requires advance preparation
I've seen this mistake cost the average restaurant EUR 200-400 per month - operators price their stews based on raw ingredient costs alone, completely ignoring these additional factors.
⚠️ Note:
Always calculate using post-cooking weight. A kilo of meat typically shrinks to 800 grams after 5 hours of slow cooking due to moisture evaporation.
The stew margin formula
Slow-cooked dishes require this modified calculation:
Cost per portion = (Ingredients + Energy + Extra labor) / Number of portions after cooking
💡 Example calculation:
You sell stew for €24.50 incl. VAT:
- Sales price excl. VAT: €24.50 / 1.09 = €22.48
- Cost per portion: €3.75
- Food cost: (€3.75 / €22.48) × 100 = 16.7%
Margin: €22.48 - €3.75 = €18.73 per portion
Calculate labor costs accurately
Stew involves three distinct labor phases:
- Active time: Chopping, browning, initial setup (30-45 min)
- Monitoring time: Check and stir 2-3 times (15 min total)
- Finishing: Tasting, final seasoning, plating (10 min)
Total: roughly 1 hour of labor for 8-12 portions. At €20/hour labor costs = €1.70-2.50 additional per portion.
💡 Realistic cost price:
Stew including all costs:
- Ingredients: €3.75
- Energy: €1.20
- Extra labor: €2.00
Real cost price: €6.95 per portion
Why stews can boost your margins
Despite additional costs, slow-cooked stews frequently deliver superior margins:
- Affordable ingredients: Beef chuck costs €8-10 less per kilo than premium steaks
- Generous portions: Customers expect 300-400 grams for stew dishes
- Reduced waste: Nearly impossible to overcook like premium cuts
- Batch preparation: Create large quantities, serve across multiple days
Automated stew calculations
Food cost calculators automatically factor in all expenses: ingredients, energy consumption, and labor hours. You'll instantly see if your stew generates profit, even accounting for extended cooking periods.
How do you calculate the margin on stew? (step by step)
Weigh all ingredients before cooking
Note the weight of meat and vegetables before you start. This is your basis for the cost calculation. Don't forget herbs, wine and broth.
Measure the final weight after cooking
Weigh the stew after 5-6 hours of cooking. The weight is often 15-20% less due to evaporation. Divide this by your portion sizes for the number of portions.
Add energy and labor costs
Calculate €0.25 per hour for energy costs and €20 per hour for labor costs. At 5 hours cooking and 1 hour active labor = €21.25 extra costs.
Calculate the total cost price per portion
Divide all costs (ingredients + energy + labor) by the actual number of portions. This is your cost price per portion including all hidden costs.
Determine your sales price and margin
For a healthy margin keep your food cost under 30%. At €7 cost price your minimum sales price is €23.33 excl. VAT = €25.43 incl. VAT.
✨ Pro tip
Prepare your stews in 20-portion batches twice weekly instead of daily smaller batches. This approach reduces per-portion energy costs by 35% over a 3-week period.
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
Should energy costs really factor into my stew pricing?
Absolutely. Five hours of continuous cooking costs €1-2 in gas or electricity. That represents 5-10% of your total cost price, making it a significant factor you can't ignore.
How much weight loss should I expect during slow cooking?
Plan for 15-20% weight reduction from evaporation. A full kilo of meat typically shrinks to around 800 grams after 5 hours of slow cooking.
What food cost percentage should I target for stew dishes?
Thanks to inexpensive ingredient cuts, you can often achieve 25-30% food cost ratios. This delivers healthy margins even after factoring in additional labor and energy expenses.
📚 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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