Dehydrated garlic is garlic that has been dried and processed for long-term storage. It is usually in powdered or flaked form and can be used as a seasoning in a variety of dishes. Dehydrated garlic retains its flavor and aroma, making it a popular choice for chefs and home cooks alike. It is typically much more cost-effective than fresh garlic, making it an attractive choice for those looking for a budget-friendly option.