Handling Raw Mince and Burger Patties Safely

Mincing spreads any surface bacteria right through the meat, so raw mince and burger patties are higher-risk than a whole steak. Keep mince at 5°C or below, store it below and away from ready-to-eat food, use separate boards and utensils, wash and sanitise between tasks, and cook patties so the core reaches 75°C. These steps control E. coli and Salmonella from delivery to plate. Key takeaways: Mincing drags bacteria from the meat surface all the way through the product, so a patty must be cooked right through to the core, unlike a seared whole steak where the inside stays largely sterile.. Keep raw mince and patties at 5°C or below at all times, store them below and separate from ready-to-eat food, and minimise time in the 5-60°C danger zone.. Cook mince and burger patties until the core reaches 75°C, checked with a clean, sanitised probe thermometer rather than by colour, which is an unreliable guide.. Prevent cross-contamination with separate boards, utensils and hands for raw meat, and clean then sanitise every surface and tool between raw and ready-to-eat tasks.. E. coli (including Shiga toxin-producing strains) and Salmonella are the key hazards; cold control, separation and thorough cooking are your main defences.. Why mince is higher-risk than whole cuts On a whole cut of beef, bacteria such as E. coli and Salmonella sit almost entirely on the outer surface. That is why a rare steak can be safe: searing the outside destroys the surface bacteria while the largely sterile interior is only warmed. Mince behaves completely differently. Mincing takes whatever is on the surface and mixes it evenly through the entire batch, so bacteria that were once only skin-deep are now spread through the middle of every patty. The pathogens you are controlling The two organisms that drive mince safety are E. coli and Salmonella. Some strains of E. coli, known as Shiga toxin-producing E. coli, can cause severe illness from very small numbers of bacteria and are particularly dangerous for young children, older people, pregnant women and anyone with a weakened immune system. Salmonella is a common cause of foodborne illness and is readily present on raw meat. Receiving and storing mince Control starts at the back door. Check mince at delivery and reject it if it is above 5°C, if packaging is damaged or leaking, or if it is past its use-by date. Get accepted mince into the coolroom or fridge quickly so it spends as little time as possible in the 5-60°C danger zone, where bacteria multiply fastest. Reject deliveries of mince above 5°C, with damaged packaging, or past their use-by date.. Store at 5°C or below on the bottom shelf, under and away from ready-to-eat food.. Keep it covered and labelled, and rotate stock on a first-in, first-out basis.. Freeze surplus while fresh; thaw in the fridge, not on the bench, and cook thawed mince before any refreezing.. Preventing cross-contamination Raw mince is a ready source of contamination for everything it touches. The bacteria on it can transfer to hands, boards, knives, benches, cloths and equipment, and from there onto ready-to-eat foods such as buns, salad and sauces that will not be cooked again. This cross-contamination is a leading cause of foodborne illness in burger service. Use separate, ideally colour-coded, boards and utensils for raw meat and for ready-to-eat food.. Wash hands after handling raw mince and before handling buns, salad or cooked patties.. Never return cooked patties to a plate or board that held them raw.. Keep raw mince away from ready-to-eat foods during prep, not just in storage.. Cooking patties to a safe core temperature Because bacteria are spread throughout mince, burger patties must be cooked all the way through. Cook them until the core reaches 75°C, and confirm it with a clean, sanitised probe thermometer inserted into the thickest part of the patty. Do not judge doneness by colour alone: mince can turn brown before it is fully cooked, and can stay pink even after reaching a safe temperature, so colour is not a reliable guide. Cook patties to a core temperature of 75°C, checked with a probe in the thickest point.. Do not rely on colour; brown or pink is not a reliable indicator of doneness.. Clean and sanitise the probe between checks so it does not spread bacteria.. Hold cooked patties at 60°C or above if not serving immediately.. The 2-hour/4-hour rule and cooling leftovers Raw mince and cooked patties are both potentially hazardous foods, so time out of temperature control counts. Use the 2-hour/4-hour rule for any potentially hazardous food sitting in the 5-60°C danger zone: under 2 hours total it can be used or returned to refrigeration; between 2 and 4 hours it must be used and not put back; beyond 4 hours it must be thrown out. Track the time mince spends out during prep, not just at service. Apply the 2-hour/4-hour rule to raw mince during prep and to cooked patties at service.. Cool bulk cooked mince using two-stage cooling: 60→21°C within 2 hours, then 21→5°C within 4 more.. Use shallow containers to cool large batches faster.. Reheat cooked mince rapidly to 75°C, and reheat it only once.. Checklist: Mince received and stored at 5°C or below. Raw mince stored below and separate from ready-to-eat food. Separate or sanitised boards and utensils used for raw meat. Hands washed and gloves changed between raw and ready-to-eat tasks. Patties cooked to a 75°C core, verified with a probe. Probe thermometer cleaned and sanitised between checks. 2-hour/4-hour rule tracked for mince and patties. Bulk cooked mince cooled using two-stage cooling. Common mistakes: Judging a cooked burger by colour instead of checking the core reaches 75°C with a probe.. Storing raw mince above ready-to-eat food, allowing drips to contaminate salads or cooked items.. Reusing the same board, plate or tongs for raw and cooked patties without cleaning and sanitising.. Leaving mince out on the bench to thaw or during a long prep session, ignoring time in the danger zone.. Refreezing thawed raw mince, or reheating cooked mince more than once.. Assuming mince that looks and smells fresh is safe, when pathogens are invisible..