Cooking Steps
Melt 2 tablespoons butter in a medium stock pot over medium heat.
Chop the onion and celery and fry in oil until tender.
Add broccoli florets and chicken broth, cover and simmer for 10 minutes.
Pour the soup into a blender, filling the pitcher no more than halfway, and blend until smooth.
Melt 3 tablespoons butter in a small saucepan over medium to medium-low heat.
Add flour and milk, stir until thick and bubbly. Add mixture to soup.
Season with ground black pepper and serve.
Video