Why everyone should chill

Once regarded only suitable for large production kitchens we explore how any sized kitchen can save time, money and resources through incorporating blast chilling to their operations.

Using blast chilling as part of a process commonly known as cook/chill optimises management of a kitchen’s resources and streamlines operations and is widely used in large production kitchens like hospitals, institutions, function centres and hotels. Because of the development of blast chilling technology, cook/chill is slowly replacing the process of cooking and holding food warm before service which can often leave meals overcooked or worse, cold.

Blast chilling makes operations more efficient as chefs can cook large volumes of meals in advance or when convenient reducing kitchen downtime. No matter what time meals are cooked, when they are blast chilled they can then be stored in a coolroom ready for service at a later time.

Cook/chill also optimises labour resources in the kitchen. Take for example a hospital. Meals for breakfast, lunch and dinner can be cooked regardless of the time of day, chilled and ready for the respective service. This may mean fewer kitchen staff will be required late at night or early mornings. For events at hotels or function centres, dishes for large number of guests can be plated up well in advance and stored in the coolroom. At the event, all the guests can be fed in a short time frame leaving chefs to focus on presentation and fewer chefs required for cooking.

Regardless of the scale of operations, preparing dishes in advance and cooking outside busy times is a better use of any kitchen resources. To have dishes like curries or casseroles, a tray full of schnitzels, even a medley of roast vegetables chilled ready for the next day’s service is a smarter way to operate.

But in order to do this, a blast chiller is needed. Aside from all the efficiencies created, you still want to present quality food and don’t want to risk making your diners sick. Food left to cool slowly where it remains for long periods between +65°C and +10°C deteriorates in quality and increases the risk of harmful bacteria developing – the danger zone! A blast chiller like those from Tecnomac rapidly lowers the temperature of food down to +3°C in less than 90 minute which reduces the risk of bacteria proliferation.

Blast chilling immediately stops the cooking process of the food so that it retains its quality, texture, colour and nutrients. It preserves the cooked food so that it can be stored in a coolroom. When it’s served to diners it’ll present exactly as the Chef prepared it.

Available in a range of sizes from a 5 tray to walk in models, there’s a Tecnomac blast chiller that will suit any sized operation.

Before service, the chilled food needs to be brought back to temperature, usually above 65°C using a process known as rethermalisation – where food is not cooked further; more just the internal temperature is raised to safe levels. This can be done in a conventional oven but if there’s a RATIONAL in the kitchen, it’s even easier. Many RATIONAL units have a Finishing program that is designed specifically for re-thermalising the food back to a serving temperature using a mixture of steam and dry heat.

By combining blast chilling from Tecnomac with Finishing with RATIONAL, 10 or 1000 diners can enjoy hot dishes exactly as the chef had prepared them earlier. Suddenly a kitchen becomes a smart kitchen optimising resources and streamlining operations.

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