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Salmon being poached with onion and bay leaves. Poaching is a cooking technique that involves heating food submerged in a liquid, such as water, milk, stock or wine.Poaching is differentiated from the other "moist heat" cooking methods, such as simmering and boiling, in that it uses a relatively lower temperature (about 70–80 °C or 158–176 °F). [1]
It involves placing heated rocks into a water-filled container to heat the liquid to the point where it can be used to cook. [1]: p. 240 This method of food preparation is a fuel-intensive process and it often requires the heating and reheating of stones before the water reaches an effective cooking temperature. [2]: p. 296 [3]: p. 93
Moist heat sterilization processes sterilize using hot air that is heavily laden with water vapor, which plays the most important role in the sterilization. [ 1 ] [ 2 ] Boiling a sample for 30 minutes or more will kill virtually all vegetative cells present, but will not kill spores , which can germinate shortly thereafter and resume growth.
Steaming works by boiling water continuously, causing it to vaporize into steam; the steam then carries heat to the nearby food, thus cooking the food. The food is kept separate from the boiling water but has direct contact with the steam, resulting in a moist texture to the food.
See also References Further reading External links A acidulate To use an acid (such as that found in citrus juice, vinegar, or wine) to prevent browning, alter flavour, or make an item safe for canning. al dente To cook food (typically pasta) to the point where it is tender but not mushy. amandine A culinary term indicating a garnish of almonds. A dish served amandine is usually cooked with ...
They were originally developed by Louis Pasteur, [1] and are essentially the same as fan ovens used for cooking food. Generally, they use a thermostat to control the temperature. Their double walled insulation keeps the heat in and conserves energy , the inner layer being a poor conductor and outer layer being metallic.
Cooking is an aspect of all human societies and a cultural universal. Types of cooking also depend on the skill levels and training of the cooks. Cooking is done both by people in their own dwellings and by professional cooks and chefs in restaurants and other food establishments. Preparing food with heat or fire is an activity unique to humans ...
A removable pot, with handle and lid, fits inside the vacuum flask. The pot and contents are heated to cooking temperature, and then sealed in the flask. The flask simply reduces heat loss to a minimum, so that the food remains at cooking temperature for a long time, and cooks without continued heating. Note that the food is not cooked in a vacuum.