McCormick Culinary Vegan Kosher Onion Powder, 5.5 lb Jug. Add a kick to signature dishes at your pizzeria, bar or restaurant with McCormick Culinary Onion Powder. Ground onion powder is an effective and flavorful substitute for fresh onion, and you can buy it in 5.5-pound containers designed to enhance back-of-house efficiencies. Just one tablespoon replaces the intensity and flavor of a medium-sized onion. This ready-to-use offers a pungent, sweet flavor that is sure to add something special to