Spread 1 cup pizza sauce in the bottom of a 9×13 baking dish. Sprinkle with 1/4 teaspoon Italian seasoning and 1/4 teaspoon garlic powder. Top with a single layer of ravioli. Top with 1 cup sauce, 1/4 teaspoon Italian seasoning, 1/4 teaspoon garlic powder, 1 cup shredded cheese and 1/2 of the pepperoni.
Repeat layers – single layer of ravioli, 1 cup sauce, 1/4 teaspoon Italian seasoning, 1/4 teaspoon garlic powder, 1 cup shredded cheese, top with remaining pepperoni. Sprinkle top with remaining 1/4 teaspoon Italian seasoning and 1/4 teaspoon garlic powder.
Cover with foil and bake for 30-35 minutes until center is cooked through.
Remove foil and bake for additional 5 minutes until cheese is melted and bubbly. Let sit for 5 minutes before serving.
Notes
For additional yumminess, cook and crumble 1 pound of Italian sausage. Save 1/4 cup of the top, Sprinkle remaining 1/2 on the bottom after you add the sauce, and add the remaining Italian sausage after you add the first layer of pepperoni!