Preheat the oven to 350 degrees.
Coat the bottom of a casserole dish with sauce.
Arrange ravioli in a single layer in the pan.
Coat with sauce.
Top with sausage/ground beef.
Coat the sausage/ground beef with sauce.
Arrange a second single layer of ravioli over the sausage/ground beef and sauce.
Coat the ravioli with sauce.
Sprinkle with cheese.
Top with pepperoni.
Bake the casserole for 30-35 minutes.
Serve, and enjoy.