Gratin Onion Soup With Tomatoes

• 8 cups vidalia onions or 8 cups red onions, minced
• 3 tablespoons butter
• 12 cup port wine
• 4 cups beef stock or 4 cups chicken stock
• 14 ounces cherry tomatoes or 14 ounces diced tomatoes
• 6 slices baguette, lightly toasted
• 1 12 cups gruyere cheese, grated
• salt and pepper

1. In a large saucepan, cook the onion slowly in butter until caramelized, about 15 minutes.
2. Add salt and pepper.
3. Deglaze with port wine.
4. Add stock and tomatoes.
5. Bring to boil and let simmer about 10 minutes.
6. Add salt and pepper.
7. Put the oven rack in the middle of oven.
8. Preheat to broil.
9. Put the soup in oven-proof bowls.
10. Put slices of toasted bread on soup and sprinkle with cheese.
11. Broil in oven until melted and golden.

vidalia onions, butter, port wine, beef stock, tomatoes, baguette, gruyere cheese, salt

Taken from www.food.com/recipe/gratin-onion-soup-with-tomatoes-444910 (may not work)