Cross-Contamination in the Kitchen: 10 Common Mistakes in Algarve Restaurants (and How to Fix Them)

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The Invisible Danger in Algarve Kitchens

In restaurants in Albufeira, Faro and Loulé — where, in summer, a small team can end up serving 400 meals in a single shift — cross-contamination is the silent risk that most easily slips through the cracks of control.

Cross-contamination is the transfer of microorganisms, chemical substances or physical objects harmful to health from a contaminated source to food that is uncontaminated or ready to eat.

It happens when:

• A utensil used with raw meat comes into contact with ready-to-eat food
• Unwashed hands touch food after handling raw products
• Juices from raw meat drip onto pastry products in the fridge
• The same chopping board is used for raw fish and vegetables
• A staff member moves from the waste area to the preparation area without washing their hands

The problem is that cross-contamination is invisible — the food doesn’t change in appearance, smell or taste, but it can cause serious food poisoning in consumers. At a time when tourism in the Algarve is breaking records and a negative online review can undo years of reputation, this risk cannot be ignored.

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Mistake #1 — Using the Same Chopping Board for Everything

This is probably the most common mistake in food service kitchens in Faro, Albufeira and Loulé.

Wooden boards are not prohibited — contrary to what many operators think. What the law requires is that utensils be kept in good condition and minimise the risk of contamination.

Using different coloured boards for different food categories is not a legal requirement, but it is a widely recommended good hygiene practice. The internationally accepted colour code:

Colour	Use
Blue	Raw fish
Red	Raw meat
Yellow	Raw poultry
Green	Fruit and vegetables
White	Dairy products and bread
Brown	Cooked food

What to do: Implement the colour-coding system and periodically check the condition of the boards. Boards with deep cracks harbour microorganisms and should be replaced.

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Mistake #2 — Wooden Spoons in Poor Condition

Wooden spoons are not prohibited — either under national or EU legislation. Used in Algarve kitchens for centuries, they remain perfectly legal.

The problem is not the material — it’s the condition. A wooden spoon with cracks or open pores harbours microorganisms that are not removed by normal washing.

What to do: Regularly inspect wooden spoons and replace them when visibly degraded. In establishments with a higher volume of service, such as those in Albufeira in summer, consider food-grade silicone utensils, which are easier to sanitise and have a longer working life.

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Mistake #3 — Storing Fish and Meat in the Same Display Without Physical Separation

There is no legislation prohibiting raw meat and fish in the same display case — but there is a clear obligation to ensure physical separation between the two. In a fish and seafood restaurant in Faro or Olhão, where product turnover is intense, this point is especially critical.

Fish gives off volatile compounds that meat readily absorbs. Even without microbiological contamination, the sensory quality of the meat can be compromised.

What to do: Use physical dividers between meat and fish in the same display, ensure juices do not run from one to the other, and, ideally, keep separate display units.

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Mistake #4 — Garnishing Raw Meat or Fish with Uncontrolled Vegetables

Garnishing raw food on display with vegetables (lettuce, parsley, herbs) is not prohibited. But the operator is responsible for ensuring there is no possibility of cross-contamination between the raw products and the vegetables used as garnish.

This situation is particularly common in Loulé and Faro restaurants that work with local produce and take pride in presenting it appealingly — a positive practice, provided it is controlled.

What to do: Ensure decorative vegetables are washed and do not come into direct contact with the juices of raw products.

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Mistake #5 — Keeping Bivalve Molluscs in Trays of Water

This mistake has clear legal consequences and is especially relevant in restaurants along the Algarve coast — from Olhão to Portimão, via Lagos and Albufeira:

It is prohibited to re-immerse or spray live bivalve molluscs with water after they have left the dispatch centre. Bivalves that arrive at the restaurant have already gone through an approved purification centre — keeping them in water can recontaminate products already declared fit for consumption.

What to do: Store bivalves in their original packaging, in a cool place (2-8°C), without re-immersion in water, for as short a time as possible.

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Mistake #6 — Cooling Food on the Counter for Too Long

Cooling rice pudding, custard or sauces on the kitchen counter is not prohibited by law — but in Albufeira or Faro, in summer, with kitchen temperatures exceeding 35-40°C, the microbiological risk is substantially higher than in other regions.

The thermal danger zone (between 5°C and 63°C) is precisely where pathogenic microorganisms multiply fastest. The higher the ambient temperature, the faster the growth.

What to do: Minimise the time food spends cooling at room temperature. Use cold water or ice baths to lower the temperature before refrigerating. Ideally, bring the temperature down from 63°C to 10°C in under 2 hours.

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Mistake #7 — Handlers with Cuts Working Without Gloves

Gloves must be worn whenever a food handler has abrasions, burns or cuts. Injuries must be covered with brightly coloured waterproof dressings — so they are visible if they fall into the food.

Anyone with infected wounds, skin infections or diarrhoea must be kept away from food handling while any risk of contamination exists.

What to do: Implement a clear protocol for reporting symptoms and injuries — especially important during high-season periods, when the pressure to keep the whole team working is at its peak.

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Mistake #8 — Kitchen Cloths Used Indiscriminately

Kitchen cloths are not prohibited — but their incorrect use is a frequent source of cross-contamination. In high-volume restaurants in Loulé, Faro and Albufeira, contaminated cloths circulate around the kitchen without anyone realising what a vehicle they have become.

Cloths should be changed daily (at a minimum), assigned by function — hands, dishes, counters — and never mixed.

What to do: Implement a cloth identification system (by colour or marking). In establishments with a high volume of service, consider partially replacing cloths with disposable kitchen paper in critical areas.

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Mistake #9 — Bleach Used Without a Sanitation Protocol

Bleach (sodium hypochlorite) is an effective and permitted disinfectant for sanitising premises, surfaces and equipment. The problem lies in the absence of a defined protocol: incorrect concentration, insufficient contact time or inadequate rinsing compromise its effectiveness or leave chemical residues on food.

What to do: Include the bleach protocol in the sanitation plan, with documented concentrations, contact times and rinsing procedures.

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Mistake #10 — Leftovers Reused Without Criteria

Saving bread for açorda (Portuguese bread soup) or making use of kitchen leftovers is permitted by law — a traditional practice in many taverns in Loulé and Faro. The operator simply has to ensure that what is reused has been protected from any contamination and is in suitable condition.

Never reuse food left over from a customer’s plate. Kitchen leftovers that were not exposed to sources of contamination can be reused — food that has come back from the dining room cannot.

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How the HACCP Plan Prevents Cross-Contamination in the Algarve

All the mistakes described have a systematic solution: a well-implemented HACCP plan that identifies risk points and defines preventive procedures adapted to the specific reality of each establishment — including the seasonality that characterises the Algarve.

The plan should include:

• A production flowchart identifying risk points
• Procedures for separating zones (raw vs. ready-to-eat)
• A sanitation programme with frequencies and products
• Temperature control records, especially critical during the summer months
• Supplier traceability procedures

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FAQ: Cross-Contamination in Restaurants in Faro, Albufeira and Loulé

Are wooden chopping boards prohibited in Algarve restaurants?
No. There is no national or European legislation prohibiting their use. The obligation is to keep them in good condition.

Am I required to use different coloured boards in my restaurant in Faro?
It is not a legal requirement, but it is a good practice recommended by ASAE that makes it easier to control cross-contamination.

Can I use charcoal for grilling in my restaurant in Albufeira?
Yes, there is no legal impediment. Charcoal is a highly contaminating product and requires special care in storage and handling to avoid cross-contamination.

Are marble counters prohibited in Loulé restaurants?
No. But marble is porous and hard to disinfect — it is not the ideal material for surfaces under heavy use.

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Hygiene Audit in the Algarve — Faro, Albufeira and Loulé

FiscalControl carries out hygiene and food safety audits for establishments in Faro, Albufeira, Loulé and across the wider Algarve region, identifying cross-contamination risk points and proposing solutions that comply with the legislation.

Work proactively — before ASAE does it for you.