1In a large pot,cook pasta according to package directions. I cook mine to aldente'. Drain. In a large non stick skillet, brown ground sausage and onion on medium-high heat until meat is no longer pink and onion is translusant. Stir in Tomato sauce,diced tomatoes & mushrooms. Reduce heat.
2Preheat oven to 350. Grease a 13 x 9 baking dish.
Pour Meat Mixture into baking dish. Add sliced olives and top with cheese. Bake for 30 min.