A tablespoon of onion powder equals about a medium sized onion, which would be about a cup, chopped. So, a tablespoon.
You can substitute onion powder with finely chopped fresh onions in a recipe.
Garlic powder, shallots, or finely chopped fresh onions can be used as replacements for onion powder in recipes.
About 120 grams of dried onion.
Yes, you can convert fresh chopped onion to onion powder by drying the onions first. Slice the fresh onions thinly and then dehydrate them using a food dehydrator or an oven set at a low temperature until they are completely dry and brittle. Once dried, grind the pieces into a fine powder using a spice grinder or blender. Store the onion powder in an airtight container for future use.
Equivalents: 5 medium onions = 1 pound = 2 cups chopped = 3 cups sliced1 small onion = 1/3 cup = 1 teaspoon onion powder = 1 tablespoon dried onion flakes
1 Tbls Onion Powder = 1 medium onion, chopped = 4 Tbls fresh chopped onion 1 Tbls Granulated Onion = 1 medium onion, chopped = 4 Tbls fresh chopped onion
Chopped onion, chopped leek, or chopped shallots. Amount remains the same.
Leeks have a flavor that is similar to onions, and it is possible to get leek soup mix (although it is not nearly a widely distributed as onion soup mix) which can be quite delicious. Beyond that, there are lots of soup mixes, experiment and find one you like.
I do not detect any flavor differences in the two.
The noun 'onion' is a count noun:1 onion finely chopped2 onions finely chopped
1 teaspoon onion powder = 1 tablespoon dried onion flakes (minced onions) according to http://www.foodsubs.com/Onionsdry.html. So, 4 tablespoons of minced onion would be 4 teaspoons of onion powder
Chopped onion, chopped leek, or chopped shallots. Amount remains the same.