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 simmer 20 to 25 minutes. Serve.