Onion Soup
["4 large onions", "2 Tbsp. butter", "4 c. rich beef stock or 1 1/2 cans bouillon", "1 tsp. salt", "4 slices hot buttered French bread, toasted", "1/4 c. grated Parmesan cheese"]
["Slice onions very thin.", "Saute in butter until light brown. Heat stock (if using bouillon, add an equal amount of water).", "Add to onions and simmer for 20 minutes.", "Add salt.", "Place toast slice in individual serving dishes.", "Add soup and sprinkle with the grated Parmesan cheese.", "Serve immediately.", "Yields 4 servings."]
["onions", "butter", "rich beef", "salt", "bread", "Parmesan cheese"]