Broccoli Cheddar Soup - Food Fam Recipes

Ingredients

• 5 tablespoons unsalted butter (, divided)
• 1 small sweet onion (, diced small)
• 1/4 cup flour
• 2 cups whole milk
• 2 cups low-sodium chicken broth
• 1 1/2 cups coarsely chopped broccoli florets
• 1 large carrot (, cut into matchsticks (1 cup))
• 1 stalk celery (, thinly sliced (1/2 cup))
• 10 ounces sharp cheddar cheese (, shredded (2 1/2 cups) )
• 3/4 teaspoon kosher salt
• 1/2 teaspoon black pepper
• 1/4 teaspoon ground mustard
• pinch cayenne pepper