Onion powder is dehydrated, ground onion that is commonly used as aseasoning. It is a common ingredient in seasoned salt and spice mixes, such asbeau monde seasoning. Some varieties are prepared using toasted onion. White,yellow and red onions may be used. Onion powder brings an additional asset thatmakes it incredibly useful in the kitchen. It disburses evenly throughoutthe dish for rich, allover onion flavor. Sprinkle it into soups and stews,create creamy dips and salad dressings, perk up casseroles and vegetables oruse it as a base for rubs and marinades.