Easiest Way to Make Perfect French Onion Soup Casserole

French Onion Soup Casserole.

You can have French Onion Soup Casserole using 10 ingredients and 3 steps. Here is how you cook that.

Ingredients of French Onion Soup Casserole

1. You need 5 of Yellow Onions.
2. It's 1/2 stick of of butter.
3. Prepare 1 cup of White wine.
4. It's 2 clove of Fresh garlic.
5. It's 1/2 can of Soup can of milk.
6. You need 1 can of Cream of Mushroom soup.
7. It's 1 loaf of French bread.
8. You need 1/2 lb of Swiss cheese.
9. It's 2 tsp of Soy sauce.
10. You need 2 dash of worcestershire sauce.

French Onion Soup Casserole instructions

1. Slice onions and mince your garlic. Add onions and garlic to a large pan with 1/2 stick of butter. Cook with lid on medium heat. When the onions begin to soften add your wine. After cooking the onions for about 20 minutes remove the lid so that the wine will evaporate..
2. Once the onions are finished pour them into a 9x13" casserole dish. Mix the cream of chicken soup, milk, soy sauce and worcestershire sauce in a large bowl and whisk until smooth. Pour mixture evenly over the onions..
3. Slice your Swiss cheese and layer on top of the casserole until covered. Slice the French bread and layer on top of the cheese. Bake at 350°F for 30 minutes or until light brown. Let cool for 5 minutes and enjoy!.