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MaraLila

Cheesy Baked Ravioli Casserole

This Cheesy Baked Ravioli Casserole is pure comfort food at its finest — layers of tender frozen ravioli, rich seasoned marinara, and bubbling melted cheese baked to golden perfection. No boiling pasta, no complicated sauce, no fuss. Just layer, bake, and serve. It comes together in under an hour and feeds the whole family with minimal effort. The kind of dinner that disappears fast and gets requested every single week.
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Prep Time 15 minutes
Cook Time 50 minutes
Rest Time 10 minutes
Total Time 1 hour 5 minutes
Servings: 8 servings
Course: Casserole, Dinner, Main Course
Cuisine: American, Italian-American
Calories: 485
Ingredients Equipment Method Notes

Ingredients
  

  • 2 bags frozen cheese ravioli (25 oz each) — do not thaw
  • 1 jar marinara sauce (24 oz), store-bought or homemade
  • 1 can crushed tomatoes (14.5 oz)
  • 3 cloves garlic, minced
  • 1 tsp dried Italian seasoning
  • 0.5 tsp onion powder
  • 0.5 tsp fine sea salt
  • 0.25 tsp black pepper
  • 0.5 tsp crushed red pepper flakes (optional)
  • 2 cups shredded whole-milk mozzarella cheese (225g)
  • 0.5 cup freshly grated Parmesan cheese (50g)
  • 1 cup whole-milk ricotta cheese (225g), optional but recommended
  • fresh basil leaves, for topping
  • olive oil, for greasing and optional finishing drizzle

Equipment

  • 9x13-inch Baking Dish Standard size for perfectly layered casserole portions.
  • Aluminum Foil Essential for the covered bake phase — traps steam to cook the frozen ravioli through.
  • Large Mixing Bowl For combining and seasoning the sauce mixture.
  • Skillet Only needed if adding optional browned meat.
  • Box Grater or Microplane For freshly grating Parmesan — makes a noticeable flavor difference.

Method
 

  1. Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish with olive oil or non-stick cooking spray. If adding Italian sausage or ground beef, brown it in a skillet over medium-high heat, breaking it apart as it cooks. Drain excess fat and set aside.
  2. In a large bowl, combine the marinara sauce, crushed tomatoes, minced garlic, Italian seasoning, onion powder, salt, black pepper, and red pepper flakes if using. Stir until fully combined and well seasoned.
  3. Spread approximately ½ cup of the sauce mixture across the bottom of the prepared baking dish in an even layer. Arrange half of the frozen ravioli in a single layer over the sauce, fitting them snugly without overlapping.
  4. Spoon half of the remaining sauce mixture evenly over the ravioli. Drop spoonfuls of ricotta (about ½ cup) across the sauce layer if using — do not spread, just dollop. Scatter half of any browned meat over the layer. Sprinkle with ½ cup shredded mozzarella and 2 tablespoons of Parmesan.
  5. Arrange the second layer of frozen ravioli in an even single layer over the cheese. Spread the remaining sauce mixture over the top, making sure to reach all the edges. Add remaining ricotta dollops and browned meat if using. Cover the entire surface generously with the remaining shredded mozzarella and finish with an even layer of grated Parmesan.
  6. Cover the baking dish tightly with aluminum foil, sealing the edges well. Bake covered at 375°F for 30 minutes. Then carefully remove the foil and bake uncovered for an additional 15 to 20 minutes, until the cheese is deeply golden, bubbling at the edges, and developing crispy patches on top. For an extra golden crust, broil for 2 to 3 minutes — watch closely.
  7. Remove from the oven and let the casserole rest on a heatproof surface for 8 to 10 minutes before cutting. Scatter fresh torn basil leaves over the top, add an extra grating of Parmesan, and serve directly from the dish with crusty bread or a green salad.

Notes

Pro Tips: Do not thaw the frozen ravioli — bake them straight from frozen for the best texture. Season your sauce mixture before layering — this is the difference between a flat casserole and a deeply flavorful one. Always use whole-milk mozzarella for the creamiest, stretchiest melt. Cover tightly with foil for the first 30 minutes to trap steam and cook the ravioli through. Let the casserole rest for 10 minutes before cutting — this allows the layers to settle and the sauce to thicken for clean, beautiful portions. This casserole can be fully assembled up to 24 hours ahead and refrigerated unbaked.