How many bowls of soup does an 18 quart roaster hold?

Well, isn't that a lovely question! An 18-quart roaster can typically hold around 72 cups of liquid, which is about 18 quarts. Now, if we consider a standard serving size of soup being around 1 cup, you could potentially serve about 72 bowls of soup from that roaster. Just imagine all the happy tummies you could fill with that delicious soup!