This was easy to make and it tasted great!
6 tbsp butter
a small onion finely chopped
3 cups chicken broth
1/3 cup flour
4 cups of milk
1 bag of frozen broccoli (I had 1/2 bag frozen cauliflower and threw that in too)
1 lb processed cheese (Velveeta) cubed
In a large saucepan, saute onion in butter until tender. Stir in flour. Add milk slowly and stir until thick and bubbly. At the same time, bring chicken broth to a boil in a saucepan. Add broccoli and boil for 10 minutes. Stir in to milk mixture until smooth. Add cubed cheese and stir until melted over medium heat. Do not let soup boil after adding cheese or it can separate.