French Onion Soup Casserole

3 jumbo yellow onions, sliced
2 tablespoons butter
1 (10 3/4 ounce) can cream of chicken soup
1/2 soup can milk
1 teaspoon soy sauce
1/2 pound Swiss cheese slices
Pepper
French bread
Butter

Saut? sliced onions in butter in large skillet on low to medium heat until transparent. Place in buttered 9 x 13-inch glass baking dish.

Whisk together chicken soup, milk and soy sauce. Pour over onions. Cover with Swiss cheese slices and sprinkle with pepper. Top with thinly sliced buttered French bread. Bake at 350 degrees F for 35 minutes or until bubbly and brown.

Can be made ahead and refrigerated and baked at 350 degrees F for 45 to 50 minutes.