French Onion Soup

Ingredients
2 Tbsp. butter
2 Tbsp. oil
1 3/4 C thinly sliced onion
3 (14 1/2oz) cans beef broth
salt and pepper to taste
4 slices French bread, toasted
1/4 C Gruyere cheese, shredded

Directions
1. Heat oil and butter in a skillet, add onions and cook until golden brown. Add broth and bring to a boil; reduce heat and simmer for 20 minutes, add salt and pepper.
2. Divide soup between 4 oven safe bowls. Top with toasted french bread and sprinkle with cheese.
3. Broil till cheese is melted and lightly browned.