French Onion Soup
["4 large onions, thinly sliced", "3 Tbsp. butter or margarine", "2 (10 1/2 oz.) cans beef consomme", "2 (10 1/2 oz.) cans beef broth", "2 to 3 Tbsp. flour", "1 tsp. Worcestershire sauce", "salt", "pepper", "cheese of choice", "croutons"]
["Saute onions in butter until golden, about 20 minutes.", "Add flour and cook about 5 minutes, stirring to prevent flour burning on pan bottom.", "Add broth and Worcestershire sauce, stirring to prevent lumping.", "Bring to boil; season to taste.", "Simmer a while."]
["onions", "butter", "beef consomme", "beef broth", "flour", "Worcestershire sauce", "salt", "pepper", "choice", "croutons"]