Cooking Steps
Step 4
Spread 1-1/2 cups (375 mL) sauce on bottom of 13 x 9-inch (3 L) baking dish. Top with half each of the cooked rigatoni, Ricotta cheese mixture and sauce. Sprinkle with 1 cup (250 mL) Mozzarella cheese.

Step 6
Bake, uncovered, in preheated 350ºF (180ºC) oven until hot and bubbly, about 30-35 minutes. Let stand 15 minutes.
