Onion Powder Availability: In stock £1.69 Qty - + Add to Cart Wishlist Email to a Friend Share Description: Greenfields Dried onion powder is a convenient way of adding a subtle onion flavour to any dish. Onion powder is a useful store cupboard ingredient, particularly in an emergency if you have run out of onions. Greenfields Onion Powder can be used in soups, stocks, casseroles, stews - It can even be used for adding a bit of a kick to Welsh Rarebit or Cheese on Toast. Onion powder gives the flavour of sweet onions without adding texture or moisture to dishes. Great in spice rubs and as a seasoning on french fries with salt and paprika.