Preheat oven to 350°F
Cook penne according to package directions
Drain pasta
Chop ham
Chop bell pepper
Combine ham, cheese, and pepper
Combine ham mixture with penne, soup, and water in mixing bowl
Spray casserole dish with cooking spray
Pour mixture into casserole dish
Cover casserole dish with foil
Bake for 1 hour in preheated oven
Serve