Cook ziti according to package directions. Cover and set aside
In a medium sized skillet, spray with non-stick cooking spray, add sausage. Cook until no longer pink, approximately 6-7 minutes. Drain and set aside, covered.
Add peppers, mushrooms, and garlic to skillet. Cook for 3 minutes, occasionally stirring. Add tomatoes, whipping cream and cheese. Reduce heat and allow to melt.
Stir in pasta and sausage, heat through for 1-2 minutes.
Serve with greens, pineapple, and extra shredded cheese.