1. Place the sauce in a microwave-safe bowl and cover with a damp paper towel. Microwave until hot, stirring occasionally, about 5 minutes.
2. Meanwhile, toast the bread in a toaster oven or oven. Divide the sauce among the bread. Dollop with the ricotta, arrange the mozzarella on top, and sprinkle with the Parmesan.
Sponsor Recipe Courtesy of Target®