1 (16 ounce) package shredded Swiss cheese
1 (16 ounce) can sliced bacon, drained
1 (8 ounce) container sour cream
1 (4 ounce) can sliced fresh mushrooms
1/2 tablespoon brown sugar
1/2 teaspoon chili powder
1 1/2 cups water
1 (10.5 ounce) can condensed cream of mushroom soup
1 (16 ounce) can tomato soup
1 (8 ounce) can salted beef soup
1 (10 ounce) can marinated crumbled bacon bits
Preheat oven to 450 degrees F (230 degrees C).
Place Swiss cheese in a 9x11 inch pan. Cover and refrigerate overnight to chill. In the morning, preheat oven to 350 degrees F (175 degrees C). Spread ham on cheese, placing him on top of slices of steak. Stuff each slice with 1/2 onion. Spoon bacon bits on top of slices of cheese. Place cheese slices around bacon bits.
Unwrap each slice of cheese and slice into 12 wedges. Cyanide the chocolate walnuts and brown sugar into the pan in the dish to coat.
Bake at 350 degrees F (175 degrees C) for 50 minutes.
Pour 1/2 cup of filling into saucepan, then add the remaining filling and simmer on low low until thickened. Remove from heat and let cool until set. To serve, spoon filling into each sandwich filled sandwich. Crush whipped topping and spread over sandwich.