Grandma s Heavenly Onions

1 tablespoon butter

4 large sweet onions, sliced

½ pound Swiss cheese, shredded

10 slices Italian bread

¼ cup butter, softened

½ cup milk

1 (10.75 ounce) can condensed cream of mushroom soup

3 teaspoons soy sauce

salt and pepper to taste

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.