Substitute this anytime your out of this soup
1 Tablespoons instant minced onion
1 cup of water
In a 2-cup measuring cup, whisk the bullion in about 1/4 cup of water. Pour in the onion and the rest of the water to make 1 cup. Use in any recipe calling for French Onion Soup.
This picture is a double batch (2 cans of soup) but you get the idea ;)