1. Start heating large pot ... liquid, tomatoes, tomato sauce, salt, red pepper flakes ... Meanwhile, cook the penne in the boiling water until ... pine nuts and serve.
Preheat oven to 350°F. In ... brown. Add pasta sauce; heat. Combine Ricotta, 1 ... each of the penne, Ricotta mixture and sauce ... Bake 5 more minutes.
Cook pasta according to package ... fat. Add pasta sauce. In medium bowl, combine ... casserole dish, layer penne, sauce mixture, and cheese ... bubbly. Makes 4-6 servings.