Indulge in the warm, comforting flavors of spaghetti casserole, a dish that combines the best of pasta, cheese, and savory sauces. This recipe is not only easy to prepare but also a crowd-pleaser, making it ideal for family dinners or potlucks. With layers of flavor and a golden, cheesy topping, this casserole is sure to become a favorite in your home. Read on to learn how to make this delicious dish!
Ingredients
– 12 oz spaghetti
– 1 lb ground beef or turkey
– 1 onion, chopped
– 2 cloves garlic, minced
– 24 oz marinara sauce
– 1 cup ricotta cheese
– 2 cups shredded mozzarella cheese
– 1/2 cup grated Parmesan cheese
– 1 tsp Italian seasoning
– Salt and pepper to taste

Servings and Cooking Time
This recipe serves 6 people. Preparation time is about 20 minutes, and cooking time is approximately 30 minutes.
Nutritional Value
Each serving (1/6 of the casserole) contains approximately 450 calories, 25g protein, 15g fat, 55g carbohydrates, and 4g fiber. This is based on standard ingredients and may vary based on specific brands used.
Step-by-Step Cooking Process
1. Preheat the oven to 350°F (175°C).
2. Cook spaghetti according to package instructions; drain and set aside.
3. In a large skillet, brown the ground beef or turkey over medium heat.
4. Add chopped onion and minced garlic, sauté until translucent.
5. Stir in marinara sauce and Italian seasoning, simmer for 5 minutes.
6. In a large mixing bowl, combine cooked spaghetti, meat sauce, and ricotta cheese.
7. Spread half of the spaghetti mixture in a greased baking dish.
8. Sprinkle half of the mozzarella cheese over the first layer.
9. Add the remaining spaghetti mixture and top with the rest of the mozzarella and Parmesan cheese.
10. Bake uncovered for 25-30 minutes until the cheese is bubbly and golden.

Alternative Ingredients
You can substitute ground beef with ground chicken or plant-based meat for a healthier or vegetarian option. Whole wheat spaghetti can be used for added fiber, and cottage cheese can replace ricotta for a lower-fat version.
Serving and Pairings
Spaghetti casserole pairs wonderfully with a crisp green salad and garlic bread. For a complete meal, consider serving it alongside steamed vegetables or a light soup.
Storage and Reheating
Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply microwave individual portions or place in an oven at 350°F until heated through. This casserole can also be frozen for up to 3 months; just ensure it’s well-wrapped.
Cooking Mistakes
- Overcooking the spaghetti can lead to mushy texture.
- Not allowing the casserole to rest before serving may cause it to fall apart.
- Using low-quality cheese can affect flavor and texture.
- Not greasing the baking dish can result in sticking.
- Skipping the seasoning can lead to bland results.
Helpful Tips
- For extra flavor, add sautéed mushrooms or bell peppers to the meat mixture.
- Experiment with different types of cheese for varied flavors.
- Layer in some spinach for a nutritious boost.
- Make it ahead of time and bake just before serving.

FAQs
Can I make spaghetti casserole ahead of time?
Yes, you can assemble the casserole ahead of time and keep it in the fridge for up to 24 hours before baking. Just adjust the cooking time if baking from cold.
What can I use instead of ricotta cheese?
Cottage cheese or cream cheese can be used as alternatives to ricotta, offering a different texture and flavor.
Can I add vegetables to the casserole?
Absolutely! Vegetables like zucchini, spinach, or bell peppers can be added for more nutrition and flavor.
How do I know when my casserole is done?
The casserole is done when the cheese is melted and bubbly, and the edges are slightly golden brown.
Is spaghetti casserole freezer-friendly?
Yes, spaghetti casserole freezes well. Just ensure it’s cooled completely before wrapping and freezing.
Conclusion
Spaghetti casserole is a delightful dish that brings together comfort and convenience. It’s perfect for weeknight dinners or gatherings, and with its cheesy, savory layers, it’s sure to satisfy everyone at the table. Try this recipe today, and enjoy the hearty flavors and ease of preparation!

Spaghetti Casserole
Ingredients
- 12 oz spaghetti
- 1 lb ground beef or turkey
- 1 onion chopped
- 2 cloves garlic minced
- 24 oz marinara sauce
- 1 cup ricotta cheese
- 2 cups shredded mozzarella cheese
- 1/2 cup grated Parmesan cheese
- 1 tsp Italian seasoning
- Salt and pepper to taste
Instructions
- Preheat the oven to 350°F (175°C).
- Cook spaghetti according to package instructions; drain and set aside.
- In a large skillet, brown the ground beef or turkey over medium heat.
- Add chopped onion and minced garlic, sauté until translucent.
- Stir in marinara sauce and Italian seasoning, simmer for 5 minutes.
- In a large mixing bowl, combine cooked spaghetti, meat sauce, and ricotta cheese.
- Spread half of the spaghetti mixture in a greased baking dish.
- Sprinkle half of the mozzarella cheese over the first layer.
- Add the remaining spaghetti mixture and top with the rest of the mozzarella and Parmesan cheese.
- Bake uncovered for 25-30 minutes until the cheese is bubbly and golden.