FRENCH ONION SOUP

                               1/4 cups margarine
                                1/4 cups olive oil
                              6 onions, thinly sliced
                                2 can beef broth
                              3/4 cups Coca-Cola
                                   1 tsp salt
                                 1/2 tsp vinegar
                                 1/8 tsp pepper
                          French bread, cut into thick slices
                             Parmesan cheese, grated
    In a large skillet, melt the margarine and add olive oil and onions. 
   Cook until golden, not brown. Move to Dutch oven and add beef broth, 
Coca-Cola, salt, vinegar, and pepper.Cover and simmer20 to 25 minutes.Serve.