French Onion Soup
["2 large sweet onions", "1/4 c. butter", "2 Tbsp. flour", "2 cans beef broth", "2 1/2 c. water", "6 slices French bread or croutons", "1/2 c. Parmesan cheese", "1/2 c. grated Swiss cheese"]
["Peel and slice onions; separate into rings (about 5 cups). Saute in butter until golden, not brown (about 20 minutes)."]
["sweet onions", "butter", "flour", "beef broth", "water", "bread", "Parmesan cheese", "Swiss cheese"]