Step 1 of 7
Best-Ever Broccoli Cheese Soup
Finely chop the onion, carrots, and celery. Mince the garlic. Chop broccoli into 1/2-inch florets, and finely chop any broccoli stems. Set garlic and broccoli aside.
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Step 2 of 7
Best-Ever Broccoli Cheese Soup
Melt the butter in a Dutch oven over medium heat. Add the onion, carrots, celery, and salt. Saute until vegetables are softened, 6-7 minutes.
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Step 3 of 7
Best-Ever Broccoli Cheese Soup
Add the minced garlic and mustard and stir until fragrant, about 1 minute. Sprinkle the flour over vegetables and stir to evenly coat.
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Step 4 of 7
Best-Ever Broccoli Cheese Soup
Stream the broth and milk into the pot, stirring to dissolve the flour. Season soup with the salt and pepper, then add broccoli.
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Step 5 of 7
Best-Ever Broccoli Cheese Soup
Bring the soup to a low boil, stirring occasionally. Reduce heat to low, cover, and simmer, stirring once or twice, until broccoli is just tender, about 10 minutes.
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Step 6 of 7
Best-Ever Broccoli Cheese Soup
Turn off the heat, but leave pot on the stove. Add half of the cheese in two additions, stirring after each, until completely melted.
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Step 7 of 7
Best-Ever Broccoli Cheese Soup
Mince the parsley. Ladle soup into bowls and sprinkle with parsley. Add salt and freshly ground pepper to soup if desired.
