Handwritten notes in the kitchen…

Quick answer

Here's a confession from restaurant owners everywhere: handwritten notes in the kitchen are the norm, but they're also financial disasters waiting to happen. Between the note and the actual purchase, a lot goes wrong.

Here's a confession from restaurant owners everywhere: handwritten notes in the kitchen are the norm, but they're also financial disasters waiting to happen. Between the note and the actual purchase, a lot goes wrong. Your chef writes down what's needed, someone goes shopping, and the numbers never add up.

Why notes always go wrong

It starts innocently. Your chef scribbles on a note: "10 kg potatoes, 5 kg onions, steak for the weekend". Seems straightforward, right? But between that crumpled piece of paper and what actually gets purchased, three things consistently derail your budget.

⚠️ Heads up:

Many business owners think they know what's being purchased. But without a system, you're always playing catch-up.

Problem 1: Vague quantities

"Steak for the weekend" - what does that actually mean? How many kilos? What cut? What quality grade? Your buyer's interpretation rarely matches your chef's intention.

? Example:

Chef writes: "Salmon for this week"

Chef thinks: 3 kg fillet (€54)
Buyer purchases: 5 kg whole salmon (€90)
Difference: €36 extra, 40% trimming loss

Actual fillet costs: €150 instead of €54

Problem 2: No price control

Your chef doesn't track what things cost. He writes down what he needs, completely unaware that beef jumped 20% this week. You only discover this painful reality after the invoice arrives.

Seasonal products: Price can swing 50% per week
Meat and fish: Daily price fluctuations, no fixed rates
Quality differences: Premium vs. standard brands, sometimes 30% difference
Packaging size: 1 kg vs. 5 kg package, different per-kilo pricing

Problem 3: Impulse purchases

Your buyer spots attractive products at the supplier. "We can definitely use that." Before you know it, there are mystery ingredients in your cooler that weren't on any list.

? Example:

Weekly budget: €800

List: €650 in planned purchases
Extras: €280 in "attractive products"
Total: €930 (16% over budget)

Per year: €6,760 in extra spending

Problem 4: No follow-up control

The note vanishes. Nobody verifies whether what was purchased matches what was planned. You only realize your food cost is spiraling out of control during monthly reviews - it's a pattern we see repeatedly in restaurant financials across the industry.

⚠️ Heads up:

Without control you typically spend 15-25% more than planned. With €3,000 in purchases per month, that's €450-750 extra per month.

The real cost of chaos

Handwritten notes drain your profits in four distinct ways:

Overbuying: Too much of expensive products
Wrong quality: More expensive than necessary
Waste: Products you can't actually use
No visibility: You don't know where your money disappears

? Calculation example:

Restaurant with €4,000 in purchases per month:

Overbuying: 10% = €400/month
Wrong quality: 5% = €200/month
Waste from chaos: 8% = €320/month

Total loss: €920/month = €11,040/year

Digital shopping lists as a solution

With a digital system you create shopping lists with exact quantities and current prices. Your chef immediately sees what things cost and can make informed choices.

Exact quantities: No interpretation needed
Current prices: Know what you're spending before you order
Budget control: See immediately if you're exceeding budget
Digital verification: Check afterwards what was delivered vs. what was ordered

How do you create a reliable shopping list? (step by step)

Create a weekly menu with exact portions

Calculate how many portions you expect per dish. Multiply by the amount per portion. This way you know exactly how much you need.

Check current prices with your suppliers

Call or check online what products cost this week. Seasonal products and meat/fish can fluctuate significantly. Update your prices weekly.

Set a weekly budget and stick to it

Calculate your maximum purchase based on expected revenue and desired food cost. Don't go over budget, even for 'nice products'.

✨ Pro tip

Track your top 3 most expensive ingredients daily for the next 14 days - you'll discover price patterns that can save you hundreds. These premium items often fluctuate without warning, and early detection prevents budget disasters.

Calculate this yourself?

In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.

Try KitchenNmbrs free →

Calculate it yourself?

Our free food cost calculator does it in seconds.

🧮 Open the free calculator

Share this article

WhatsApp LinkedIn

Frequently asked questions

Why do handwritten notes never match the invoice?

Because there's too much room for interpretation. 'Steak for the weekend' can mean anything regarding quantity and quality. Without exact specifications, your buyer purchases differently than your chef intended.

How much money do you lose through chaotic purchasing?

On average 15-25% of your purchasing budget. With €3,000 in purchases per month, that's €450-750 in extra spending due to overbuying, wrong quality, and impulse purchases.

Can't I just communicate better with my buyer?

Communication helps, but the problem runs deeper. Without a system and current prices, you're still guessing. You need concrete numbers and control, not just better agreements.

What if my chef doesn't want to work digitally?

Start small. Have your chef write down only exact quantities instead of vague terms. Going digital can come later, but specification is the first step toward control.

How do I prevent impulse purchases from suppliers?

Set a strict budget and stick to it. Make agreements that only items on the list are purchased. Any extra purchases must always be discussed first.

Do seasonal price fluctuations really impact costs that much?

Absolutely. Seasonal products can swing 50% per week, and specialty items like truffles or certain fish can triple in price during off-seasons. Without tracking these changes, your food costs become unpredictable.

ℹ️ This article was prepared based on official sources and professional expertise. While we strive for current and accurate information, the content may differ from the most recent regulations. Always consult the official authorities for binding standards.

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

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.

8 years kitchen manager at 1NUL8 Group Rotterdam

Expertise: food cost management HACCP kitchen management restaurant operations food safety compliance

More in this category

→ Why recipes on paper don't match what actually ends up... → Why an average food cost percentage tells you little if... → Why chef's menus are often better for your ego than for... → Why combo meals often generate less revenue than... → Why children's menus are often underestimated in terms... → Why you're working harder than ever but keeping less... → What happens if you spend one hour on numbers today... → Why chef's menus are often better for your ego than your... → Why team tensions sometimes stem from invisible... → Why do you have less left at the end of the week than...

Explore more topics

Basic knowledge and formulas Daily control Food safety and HACCP Recipes, knowledge & memory Conversion & action

Stop losing money in your kitchen

Most restaurants lose 5-15% margin due to invisible mistakes. KitchenNmbrs makes every euro visible — from purchase to plate. Start your free trial and discover where your money is leaking.

Start free trial →

Disclaimer & terms of use

Why handwritten notes in the kitchen rarely match what...