Cheesy Potato Soup

4-5 c potatoes
1/4 c margarine
3 c chicken broth
1 tsp Worcestershire sauce
1/4 c finely chopped onion
1/2 c flour
2 cups milk
1 cup shredded cheese

Chop potatoes and boil until tender. Drain and set aside. Saute onion in margarine. Stir flour into onion and margarine mixture then add milk and broth. Heat until thickened. Add Worcestershire sauce and cheese, then potatoes. Heat until completely warmed.

*Won't be making this until I can cut some calories and fat from the recipe.