Grandma's Heavenly Onions

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.