Step 1

Heat a large skillet over medium-high heat. Add broken sausage and minced onion; cook about 5 minutes. With a wooden spoon keep the sausage in pieces. Drain and return to skillet.

Step 2

Add the undrained tomatoes, sauce, water, red pepper flakes, and penne pasta to the pan. Stir to combine and bring the liquid to a boil. Cover the pan and reduce the heat.

Step 3

Cook for 15 minutes or until pasta is tender.

Step 4

Sprinkle with Parmesan cheese. Serve with more parmesan cheese, if desired.