Million Dollar Spaghetti Casserole 🍝🧀

If you’re searching for the ultimate comfort food dinner, this Million Dollar Spaghetti Casserole is guaranteed to become a family favorite. Million Dollar Spaghetti Casserole layers tender spaghetti, savory ground beef, rich marinara sauce, creamy cheese filling, and gooey melted mozzarella into one irresistible baked pasta dish. Every bite is cheesy, hearty, and packed with classic Italian-inspired flavors that make it perfect for weeknight dinners, potlucks, or holiday gatherings.

This easy casserole is rich enough to taste like a special occasion meal while using simple, everyday ingredients.

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Why You’ll Love This Million Dollar Spaghetti Casserole

This cheesy pasta bake is comfort food at its finest.

Rich and Creamy

A luscious cream cheese layer makes every bite extra indulgent.

Family-Friendly

Even picky eaters will ask for seconds.

Great for Feeding a Crowd

Perfect for family dinners, potlucks, and meal trains.

Make-Ahead Friendly

Assemble ahead of time and bake when ready.

Freezer-Friendly

Ideal for meal prepping busy weeks.

What Does Million Dollar Spaghetti Casserole Taste Like?

This casserole combines the flavors of spaghetti, lasagna, and baked ziti into one delicious dish. Tender pasta is layered with seasoned beef and marinara sauce, while the cream cheese creates a rich, creamy center that pairs perfectly with melted mozzarella.

Benefits of Making Million Dollar Spaghetti Casserole

Beginner-Friendly

Easy steps with simple ingredients.

Budget-Friendly

Uses affordable pantry staples.

Perfect for Leftovers

Tastes even better the next day.

Easy to Customize

Swap meats, cheeses, or sauces to suit your taste.

Ingredients

For the Casserole

• 12 ounces spaghetti
• 1 pound ground beef
• 24 ounces marinara sauce
• 8 ounces cream cheese, softened
• 2 cups shredded mozzarella cheese
• ½ cup grated Parmesan cheese
• 1 small onion, diced
• 3 cloves garlic, minced
• 1 teaspoon Italian seasoning
• ½ teaspoon garlic powder
• ½ teaspoon onion powder
• Salt and black pepper, to taste
• 2 tablespoons butter, melted

Optional Garnishes

• Fresh parsley
• Fresh basil
• Extra Parmesan cheese
• Red pepper flakes

Kitchen Tools You’ll Need

Essential Equipment

• 9×13-inch baking dish
• Large pot
• Large skillet
• Mixing bowls
• Colander
• Wooden spoon
• Measuring cups and spoons

Ingredient Additions and Substitutions

Customize this casserole with your favorite ingredients.

Protein Options

Replace ground beef with:

• Italian sausage
• Ground turkey
• Ground chicken
• Ground pork

Cheese Options

Use:

• Cheddar
• Provolone
• Italian cheese blend
• Ricotta (instead of cream cheese)

Add Vegetables

Mix in:

• Mushrooms
• Spinach
• Bell peppers
• Zucchini

How to Make Million Dollar Spaghetti Casserole

This comforting casserole is simple to prepare.

Step 1: Preheat the Oven

Preheat your oven to 350°F (175°C).

Lightly grease a 9×13-inch baking dish.

Step 2: Cook the Spaghetti

Bring a large pot of salted water to a boil.

Cook the spaghetti according to the package directions until al dente.

Drain and toss with the melted butter.

Set aside.

Step 3: Prepare the Meat Sauce

In a large skillet over medium heat, cook:

• Ground beef
• Diced onion

until the beef is browned.

Drain any excess grease.

Stir in:

• Garlic
• Italian seasoning
• Garlic powder
• Onion powder
• Salt
• Black pepper

Cook for 1 minute.

Add the marinara sauce and simmer for 5 minutes.

Step 4: Prepare the Cream Cheese Layer

In a medium bowl, stir the softened cream cheese until smooth.

For an even creamier filling, mix in half of the Parmesan cheese.

Step 5: Assemble the Casserole

Layer the casserole as follows:

• Half of the buttered spaghetti
• Cream cheese mixture, spread evenly
• Remaining spaghetti
• Meat sauce
• Mozzarella cheese
• Remaining Parmesan cheese

Step 6: Bake

Bake uncovered for 30–35 minutes, or until the cheese is melted, bubbly, and lightly golden.

Allow the casserole to rest for 10 minutes before serving.

What to Serve with Million Dollar Spaghetti Casserole

Complete your meal with these delicious sides.

Favorite Side Dishes

• Garlic bread
• Caesar salad
• Italian salad
• Roasted broccoli
• Steamed green beans
• Breadsticks
• Bruschetta

Storage Instructions

Refrigerator

Store leftovers in an airtight container for up to 4 days.

Freezer

Freeze the baked or unbaked casserole for up to 3 months.

Thaw overnight in the refrigerator before baking or reheating.

Reheating

Reheat covered in a 350°F (175°C) oven for 20–25 minutes, or microwave individual portions until heated through.

General Information

Million Dollar Spaghetti became popular as a budget-friendly casserole that combines the best parts of spaghetti, lasagna, and baked pasta dishes. The signature cream cheese layer gives it its “million-dollar” richness while keeping the recipe simple enough for everyday cooking.

Nutritional Information

Approximate values per serving (based on 8 servings):

• Calories: 545
• Protein: 31g
• Carbohydrates: 38g
• Fat: 30g
• Saturated Fat: 15g
• Fiber: 3g
• Sugar: 8g
• Sodium: 760mg

Nutrition values are approximate and may vary depending on the ingredients used.

Conclusion

This Million Dollar Spaghetti Casserole truly lives up to its name with layers of creamy cheese, savory beef, rich marinara sauce, tender spaghetti, and gooey melted mozzarella. It’s the perfect comfort food for family dinners, potlucks, and make-ahead meals.

One bite of this cheesy baked pasta, and you’ll understand why it’s called “million dollar” spaghetti!

If you make this recipe, leave a review and share your photos on Pinterest so others can enjoy this comforting homemade casserole too!

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