Ingredients:
1 lb ground Italian sausage
1 bag shredded pizza cheese (a cheese blend is nice)
1 can muir glen pizza sauce
1/2 can jumbo olives
15 slices genoa salami
1 package canadian bacon, pizza sliced
1/2 package pepperoni
1/2 onion
1 large bell pepper
several mushrooms
1 can diced tomatoes (optional)

Instructions here:
The Primal Junk Foodie: PJF Pizza Casserole