Grandma'S Heavenly Onions - cooking recipe

Ingredients

1 tablespoon butter
4 large sweet onions, sliced
1/2 pound Swiss cheese, shredded
10 slices Italian bread
1/4 cup butter, softened
1/2 cup milk
1 (10.75 ounce) can condensed cream of mushroom soup
3 teaspoons soy sauce
salt and pepper to taste

Preparation

In a large skillet over medium heat, melt butter and saute onions until translucent. Transfer onions to a 9x12 inch casserole dish and sprinkle cheese over onions. Spread butter on both sides of the bread, then lay the bread over the cheese.
In a medium bowl combine milk, soup, soy sauce, salt and pepper. Mix well and pour over bread. Cover and refrigerate over night.
Preheat oven to 350 degrees F (175 degrees C).
Bake in preheated oven for 40 minutes.