Step 1

In a medium sized stock pot, bring chicken broth, onions, carrots, garlic, and celery to a boil. Cover and simmer 5 minutes.

Step 2

Add broccoli, milk and pepper and cook, covered, 10 more minutes.

Step 3

Add sour cream and puree soup with an immersion blender.

Step 4

Adjust black pepper to taste and heat through over medium heat, stir in the cheddar cheese and serve.