Boil spaghetti in salted water according to package directions.
Preheat oven to 350.
Brown meat. Add onion and bell pepper. Once onion and bell peppers are cooked thoroughly, add sauce, mushrooms, and olives.
Let simmer about 10 minutes. Drain noodles and add sauce. Mix well. Pour spaghetti into a casserole dish and sprinkle one layer of each cheese. Let bake for 10-15 minutes or until cheese is melted.
Thanks to Prettygorjus for this casserole recipe.
Recipe Tips
If you like you can make modifications to the recipe.
This recipe can be havled
Don't have fresh mushrooms? Canned mushrooms work well.