Antoine'S Soupe A L'Oignon Gratine - cooking recipe

Ingredients

3/8 cup butter
4 cups onions, roughly chopped
2 tablespoons flour
2 quarts beef stock
salt
white pepper
6 pieces toast, trimmed of crust
1/3 cup swiss cheese, grated
1/3 cup romano cheese, grated
1/3 cup American cheese, grated
1/3 cup cheddar cheese, grated

Preparation

Melt butter in large soup pot and cook onions until they are golden brown.
Stir in flour and cook for about 2 minutes.
Add beef stock and bring to a boil.
Turn heat down to low and simmer soup gently for 30 minutes.
Add salt and pepper to taste.
Mix all cheeses together.
Ladle soup into 6 bowls that can go under a broiler, and float one piece of toast in each.
Sprinkle toasts with the cheese mixture.
Place bowls under broiler until cheese melts and begins to brown.
Enjoy!