Frozen broccoli is the ingredient that makes this soup so delicious so quickly. Frozen broccoli doesn't require as much cooking time as fresh does. The other time-saver in this soup is to buy carrots that are already cut into matchsticks, no peeling required. To make this soup in under 15 minutes, first read through the recipe so that you know what to expect. As you read, gather together all of the ingredients, pots, pans and other tools that you will need so that everything is at your fingertips. No prepping is required though - all chopping, etc. is part of the instructions and counted in the 15 minute time. Yield 7 and ½ cups.