Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.

In a large skillet, cook ground beef over medium heat until browned. Add diced onion and minced garlic, cooking until onions are translucent.

Stir in Italian seasoning, salt, and pepper. Add marinara sauce and simmer for 5 minutes.

Spread half of the meat sauce evenly on the bottom of the prepared baking dish.

Arrange half of the frozen cheese ravioli in a single layer over the sauce.

Dollop half of the ricotta cheese evenly over the ravioli.

Sprinkle half of the shredded mozzarella and grated Parmesan cheeses over the ricotta.

Repeat layers with the remaining meat sauce, ravioli, ricotta cheese, shredded mozzarella, and grated Parmesan.

Cover the baking dish with aluminum foil and bake in the preheated oven for 30 minutes.

Remove foil and bake for an additional 10-15 minutes, until bubbly and cheese is melted and golden on top.

Let the casserole cool for 5 minutes before serving. Garnish with chopped fresh basil.

Prep Time: 20 minutes

Cook Time: 45 minutes

Total Time: 1 hour 5 minutes

Serves: 8