Onion powder is dehydrated, ground onion that is commonly used as a seasoning. Onion powder is a prepared food product that has several culinary uses. The onion powders are prepared using dehydration, freeze-drying, vacuum-shelf drying and flow drying. Some onion powders are irradiated as treatment against potential microbial contamination. It readily absorbs water upon contact, so these varieties may be packaged in airtight containers with a liner atop the container. Onion powder with a moisture content of 4–5 percent is prone to caking when stored in warmer environments, with increased temperatures corresponding to a shorter time for the occurrence of caking. Of general acceptance is that onion powder is around ten times stronger in flavor compared to fresh onion.
Onion powder may be used as a seasoning atop a variety of foods and dishes, such as pasta, pizza, and grilled chicken. It is also a primary ingredient in beau monde seasoning. It is also sometimes used as a meat rub. Onion powder is also an ingredient in some foods, such as sauces, soups and salad dressings. It can also be used in many other recipes such as burgers or meatloaf.
Onion powder is a highly convenient natural flavouring for all kinds of dishes. It also blends very well with garlic powder and spices to create an endless variety of savoury seasonings, suitable for both vegetarian, meat and fish recipes.
Onion in powdered form allows you to add flavour to sauces, dips, soups and other recipes where a smooth overall texture is required.