how much onion powder equals 1 onion
One tablespoon of onion powder is equal to a medium sized fresh onion. A small chopped onion is equal to 1 tablespoon of minced instant onion or a 1/4 cup of chopped onion that has been frozen.ne tablespoon of onion powder is equal to a medium sized fresh onion. A small chopped onion is equal to 1 tablespoon of minced instant onion or a 1/4 cup of chopped onion that has been frozen.