In a large saute pan add the olive oil and saute the garlic, onion and peppers until tender. Remove from the pan and set aside.
Place the canned tomatoes in the saute pan with the herbs, red pepper flakes, salt and pepper and cook to reduce for 10 min. on medium high heat. Add the tomato paste and stir to combine and let simmer for 5 min. more.
Meanwhile cook the penne pasta in a large pot of boiling salted water until al dente.
Add the fresh tomatoes, peppers and sausage to the tomatoes. Toss to combine and heat through. Add the penne pasta and the mozzarella. Toss to combine. Serve immediately sprinkled with the parsley.
Nutrition calculation is an estimation only. If you need nutritional calculations for medical reasons, please use a source that you trust.