Broccoli Cheese Soup

1 bunch broccoli chopped or 16 oz bag frozen broccoli
1 onion chopped
4 TBSP flour
4 TBSP butter
1 can evaporated milk
1 cup Velveeta type cheese
2 cups chicken broth
1/2 cup milk
1 tsp Worcestershire sauce

Cook broccoli in a small amount of water till tender (do not overcook). Saute onion in 4T butter, add 4 T flour. Then add chicken broth, milk, Worcestershire sauce and cheese. Cook and stir till cheese is melted, then add broccoli.