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Related: The Best Way To Keep Apples From Turning Brown. For more Southern Living news, make sure to sign up for our newsletter! Read the original article on Southern Living.
Arrange in an even layer on lined baking sheets, leaving enough room for cold air to circulate, then freeze until firm; transfer the frozen pears to freezer bags for longer storage.
Many processes designed to preserve food involve more than one food preservation method. Preserving fruit by turning it into jam, for example, involves boiling (to reduce the fruit's moisture content and to kill bacteria, etc.), sugaring (to prevent their re-growth) and sealing within an airtight jar (to prevent recontamination).
Bananas turn brown when they have contact with air. You can prevent this by sealing your frozen slices or whole bananas in a container. Make sure to remove as much of the air as possible.
Freezing is a phase transition in which a liquid turns into a solid when its temperature is lowered below its freezing point. [ 1 ] [ 2 ] For most substances, the melting and freezing points are the same temperature; however, certain substances possess differing solid-liquid transition temperatures.
Freezer burn appears as grayish-brown leathery spots on frozen food and occurs when air reaches the food's surface and dries the product. Color changes result from chemical changes in the food's pigment. Freezer burn does not make the food unsafe; it merely causes dry spots in foods. [2]
Our ultimate pesto recipe is so easy to make and great on pasta, potatoes, eggs, veggies, and more! Here's how to make your own classic homemade pesto sauce.
Tunnel freezing is a variant of air-blast freezing where food is put onto trolley racks and sent into a tunnel where cold air is continuously circulated. Fluidized bed freezing is a variant of air-blast freezing where pelletized food is blown by fast-moving cold air from below, forming a fluidized bed. The small size of the food combined with ...