This is the quickest french onion soup. It's ready in under 15 minutes but is as decadent and delicious as the original. To make this soup as quickly as possible, first read through the recipe. As you do, gather together all of the tools, pots, pans and ingredients that you'll need so that everything is at your fingertips. But don't prep any ingredients. All of the prep is in the instruction section and is included within the 15 minutes. Yield 7-8 cups. See you in 15!