Preheat your oven to 375°F (190°C).
Spread half of the marinara sauce on the bottom of a baking dish.
Layer half of the ravioli over the sauce.
Sprinkle half of the mozzarella cheese over the ravioli.
Add the remaining ravioli on top.
Pour the rest of the marinara sauce evenly over the ravioli.
Top with the remaining mozzarella and Parmesan cheese.
Sprinkle garlic powder and dried basil over the top.
Cover the dish with aluminum foil and bake for 20 minutes.
Remove the foil and bake for an additional 10 minutes until golden and bubbly.