In a large skillet, brown Sausage, breaking apart, until Cooked through.
Reduce heat to low.
Add Ricotta Cheese, Tomato Sauce, and Ravioli.
Cook 5-10 minutes, until Ravioli is heated through.
Layer top with Mozzarella Cheese.
Use an Oven safe Skillet.
Place in Oven under broiler for 2-5 minutes to melt & brown the Cheese.