Dehydrated onion is onion that has been dried to remove most of its moisture. This process concentrates the flavor of the onion, making it more potent than fresh onion. Dehydrated onion is a convenient way to add onion flavor to dishes, as it can be stored for long periods of time without spoiling.

Dehydrated onion is made by slicing or chopping onions and then spreading them out on a baking sheet. The onions are then dehydrated in an oven or dehydrator at a low temperature. Once the onions are dry, they can be stored in an airtight container in a cool, dark place.

Dehydrated onion can be used in a variety of dishes, including soups, stews, sauces, and marinades. It can also be added to salads, hummus, and other dips. Dehydrated onion can be rehydrated by soaking it in water or broth for a few minutes before using.