Onion salt is a seasoning made from a blend of dried onion powder and salt. It offers a convenient way to add onion flavor to dishes without the need for fresh onions. Commonly used in cooking, it enhances the taste of various foods, including meats, vegetables, and soups. This seasoning is popular in many cuisines and can be found in most grocery stores. It is often used as a substitute for fresh onions in recipes, making it a handy ingredient for those who want to save time or avoid chopping onions.