Low Fat Broccoli and Cheese Soup

1 c chopped onion
2 garlic cloves, minced
3 c chicken broth
1 (16 oz) package broccoli florets
2 1/2 c 2% milk
1/3 c flour
1/4 tsp black pepper
8 oz light processed cheese, cubed

Heat a large saucepan and spray with heat.  Add onion and garlic; saute 3 minutes until tender.  Add broth and broccoli.  Bring broccoli mixture to a boil over med-high heat.  Reduce heat to med; cook 10 min.
Combine milk and flour, stirring with a whisk until well blended.  Add milk mixture to broccoli mixture.  Cook 5 min until slightly thick, stirring constantly.  Stir in pepper.  Remove from heat and add cheese, stirring until cheese melts.

Place soup in a blender or food processor, and process until smooth.