Hotels & Banqueting
Refrigeration for central kitchens and commissaries
A central kitchen prepares gravies, marinades, doughs, sauces and desserts in bulk for a chain of outlets, cloud kitchens or institutional sites. It may cook thousands of portions a day, cool them, portion and pack them, and dispatch them in insulated or refrigerated vans. Refrigeration here is less about speed at a line and more about volume, uniformity, cooling discipline and traceability. One temperature failure can affect every outlet in the chain, so consistent holding temperatures, clear segregation and a reliable temperature record matter more than anywhere else in food service.
What the equipment has to cope with
- Bulk batches of gravies, rice and sauces must be cooled quickly and safely before chilled storage, which demands planning and capacity.
- Raw, cooked, portioned and dispatch-ready stock must be kept apart to avoid cross-contamination.
- Chains expect consistent product at every outlet, so temperature variation between batches shows up as variation on the plate.
- Temperature records must be maintained for audits by clients, franchisees and food-safety inspectors.
- Dispatch schedules mean stock is staged, loaded and moved at fixed times, often early in the morning.
Typical temperatures
| Raw meat, poultry and fish | +1 to +4 °C |
|---|---|
| Cooked gravies and bases (cooled) | +2 to +5 °C |
| Marinated meats and kebab mixes | +1 to +4 °C |
| Dough and batters | +2 to +5 °C |
| Portioned, packed dispatch stock | +2 to +5 °C |
| Frozen portions and raw frozen stock | −18 °C or colder |
Equipment
What to buy, and why.
Central kitchens are usually zoned: a receiving area with raw storage, a cooking area, a cooling area, a portioning and packing area, and a dispatch area. Larger commissaries rely on walk-in cold rooms for bulk raw and finished stock, and on blast chillers to bring cooked food down quickly. Upright reach-ins serve each zone for working stock: raw meat and vegetables near prep, cooled bases near portioning, and packed stock near dispatch. Undercounter units at the portioning line hold the batch being packed. Chest freezers hold frozen raw stock and frozen portions ready for dispatch.
- +2 to +8 °CReach-in RefrigeratorZone storage for working stock: raw meat and vegetables in prep, cooled bases near portioning, and packed stock near dispatch.Set-up guide
- −18 to −60 °CDeep FreezerFrozen raw stock and frozen finished portions — gravies, kebabs, momos, parathas — staged for dispatch to outlets.Set-up guide
- +2 to +8 °CUndercounter RefrigeratorCold storage under the portioning, packing and marinade benches, holding the batch in progress so it never sits out at room temperature.Set-up guide
Questions
- Do central kitchens need blast chillers?
- For large batches of cooked food, a blast chiller is the most reliable way to cool quickly and consistently before storage. Without one, divide food into shallow trays and use ice baths, and never load hot bulk containers straight into a standard reach-in, which is designed to hold temperature, not to pull large hot loads down.
- How should a central kitchen keep temperature records?
- Record each cabinet's temperature at fixed times each day, and record cooling times and temperatures for cooked batches. Digital loggers with alarms make this easier and more reliable than manual logs. Keep records in a format that clients, franchisees and inspectors can review.
- Can upright reach-ins replace a walk-in cold room in a central kitchen?
- For smaller commissaries, a row of reach-ins can work and offers redundancy: if one cabinet fails, stock moves to another. For larger operations, walk-in rooms give better capacity per square metre, with reach-ins used for working stock in each zone.
Before you buy
All guides- Commercial Refrigerator Buying Guide (India)9 min read
- Reach-in vs Undercounter Refrigerator: Which to Choose6 min read
- Commercial Refrigerator Maintenance Checklist6 min read
- Types of Commercial Refrigerators Explained6 min read
- Reach-in Refrigerator Guide for Hot Indian Kitchens6 min read
- Reach-in Freezer Guide for Commercial Kitchens5 min read
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