French Onion Soup
["6 to 8 c. onions, sliced thick", "2 1/2 Tbsp. flour", "3 cans Campbell's double strength beef bouillon", "3 cans water", "Pepperidge Farm croutons", "Mozzarella cheese"]
["Saute onions in butter and oil on medium-high.", "Add flour to thicken."]
["onions", "flour", "Campbell's", "water", "croutons", "Mozzarella cheese"]