1-First Step: Preheat your oven to 350 degrees Fahrenheit (175 degrees Celsius) and prepare all ingredients by measuring them out.

2-Second Step: Spread 1 cup of pizza sauce evenly in the bottom of a 9×13 inch baking dish. Then, sprinkle with 1/4 teaspoon Italian seasoning and 1/4 teaspoon garlic powder.

3-Third Step: Arrange a single layer of frozen cheese ravioli over the sauce.

4-Fourth Step: Spread 1 cup of pizza sauce over the ravioli and sprinkle with 1/4 teaspoon Italian seasoning and 1/4 teaspoon garlic powder. Top with 1 cup shredded mozzarella cheese and half of the pepperoni slices (16 slices).

5-Fifth Step: Repeat the layering by adding another single layer of ravioli, followed by 1 cup pizza sauce, 1/4 teaspoon Italian seasoning, 1/4 teaspoon garlic powder, 1 cup shredded mozzarella cheese, and the remaining pepperoni slices (16 slices).

6-Sixth Step: Sprinkle the top with the remaining Italian seasoning (1/2 teaspoon) and garlic powder (1/2 teaspoon).

7-Seventh Step: Cover the dish tightly with aluminum foil and bake for 30-35 minutes, or until the center is cooked through and heated.

8-Eighth Step: Carefully remove the foil and bake for an additional 5 minutes, or until the cheese is fully melted and bubbly.

9-Ninth Step: Remove from the oven and let the dish sit for 5 minutes before serving.