It’s pretty standard and is exactly as it sounds! It’s an onion that has been dehydrated and ground down into a fine powder-like substance. It is a common ingredient in salt and pepper mixes.
Onion powder is most often used as a seasoning in the kitchen. It gives dishes a fuller, richer flavor – in a super-easy way. Whether you use it on soups, stews, dips, salads, vegetables, casseroles, or meats;
Food is Good states that onion powder is gluten-free and should be safe for patients with celiac diseaseor gluten intolerance. This is only true for pure onion powder
I hope this article has helped to answer the question: is onion powder gluten-free? And helped you to become more familiar with the extensive range of spices we have on offer when following a gluten-free diet.