Broccoli Cheddar Soup

​½ cup chopped onion
¼ cup butter
¼ cup flour
salt and pepper
1 can (14 ounces) chicken broth
3 cups milk
1 tablespoon Worcestershire sauce
4 ounces processed American cheese, diced
1 ½ cups shredded cheddar cheese
2 (10 ounces each) packages frozen broccoli, thawed and drained
 
1. Sauté onion in butter over medium heat until softened but not browned.  Stir in flour and season with salt and pepper.  Cook flour, stirring, 3-4 minutes. 
 
2.  Slowly whisk in chicken broth until well blended; raise heat to medium-high and bring to a simmer.  Gradually add milk and Worcestershire sauce; return to a simmer.  Remove from heat and gradually whisk in cheeses until smooth.
 
3.  Reduce heat to medium-low and stir in broccoli; cook and stir gently until heated through. 
 
Revised November 2017; January 2019