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Pizza Spaghetti Casserole

Published: May 21, 2025 by Jamie · This post may contain affiliate links · Leave a Comment

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Imagine a dish that combines the best of two beloved comfort foods into one incredible meal. Welcome to the Pizza Spaghetti Casserole, a mouthwatering creation that brings together the cheesy goodness of pizza with the hearty satisfaction of a classic pasta bake.

Pizza Spaghetti Casserole

This extraordinary casserole transforms simple ingredients into a culinary masterpiece that will have everyone at the table begging for seconds. Moreover, it's an ingenious way to blend two family favorites into one spectacular dish that's sure to become a new household tradition.

Perfect for busy weeknights, potlucks, or when you're craving something truly indulgent, the Pizza Spaghetti Casserole delivers maximum flavor with minimal effort.

Pizza Spaghetti Casserole: Where Pizza Meets Pasta Perfection

This isn't just another casserole – it's a game-changing culinary invention that combines the best elements of pizza and spaghetti. Picture layers of perfectly cooked spaghetti, zesty meat sauce, and an abundance of melted cheese, topped with crispy pepperoni that will make your taste buds dance with joy.

Get ready to discover how two classic favorites can come together in one phenomenal dish that's sure to impress.

Serving Suggestions:

Elevate your Pizza Spaghetti Casserole with:

  • Garlic bread
  • Fresh green salad
  • Caesar salad
  • Roasted vegetables
  • Crisp white wine or cold beer

Pro Tips for the Perfect Pizza Spaghetti Casserole:

Pasta Precision: Cook spaghetti just until al dente to prevent mushiness when baking. Drain thoroughly to ensure the perfect texture.

Cheese Selection: Use high-quality mozzarella and Parmesan for the most luxurious flavor and melting properties.

Meat Magic: Drain excess fat from ground beef to prevent a greasy casserole.

Pepperoni Placement: Arrange pepperoni slices evenly for maximum flavor and visual appeal.

Make-Ahead Marvel: Prepare the casserole in advance and refrigerate before baking for even more developed flavors.

Pizza Spaghetti Casserole

Pizza Spaghetti Casserole Recipe Details:

  • Preparation time: 20 minutes
  • Cooking time: 35 minutes
  • Servings: 8-10
  • Equipment: 9x13-inch baking dish, skillet, mixing bowls

This incredible casserole brings together the comfort of spaghetti and the irresistible flavors of pizza in one spectacular dish. Each bite offers a perfect balance of pasta, sauce, and cheesy goodness.

Ingredients:

For the Pasta Base:

  • 12 oz spaghetti noodles
  • 1 pound ground beef or Italian sausage
  • 1 jar (24 oz) pizza or marinara sauce
  • 1 teaspoon Italian seasoning
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • Salt and pepper, to taste
  • ½ cup chopped bell peppers or mushrooms (optional)

For the Cheesy Topping:

  • 1 and ½ cups shredded mozzarella cheese
  • ½ cup grated Parmesan cheese
  • 20–25 slices pepperoni
  • Nonstick spray for greasing

Directions:

  1. Preheat your oven to 350°F. Generously grease a 9x13-inch baking dish with nonstick spray, ensuring complete coverage to prevent sticking.
  2. Bring a large pot of salted water to a boil. Cook spaghetti according to package instructions until just al dente. Drain thoroughly and set aside.
  3. In a large skillet over medium heat, brown the ground meat. Carefully drain any excess fat. Stir in pizza sauce, Italian seasoning, garlic powder, onion powder, salt, and pepper. Allow the mixture to simmer for 5 minutes, developing rich flavors.
  4. In a large mixing bowl, combine the cooked spaghetti with the meat sauce. Ensure the pasta is evenly coated with the flavorful sauce.
  5. Transfer half of the spaghetti mixture to the prepared baking dish. Sprinkle half of the mozzarella and a portion of the Parmesan cheese over this layer.
  6. Add the remaining spaghetti mixture on top. Cover with the rest of the mozzarella and Parmesan cheeses.
  7. Carefully arrange pepperoni slices evenly across the top of the casserole. If using bell peppers or mushrooms, sprinkle them over the pepperoni.
  8. Cover the dish with foil and bake for 25 minutes. Remove the foil and continue baking for an additional 10 minutes, or until the cheese is bubbly and lightly browned.
  9. Remove from the oven and let the casserole rest for 5 minutes before serving. This allows the layers to set and makes cutting easier.

Ready to Indulge!

Serve your Pizza Spaghetti Casserole hot, watching as everyone eagerly digs into the layers of cheesy, saucy goodness. Each serving promises a perfect blend of pizza and pasta flavors.

Storage Solutions:

  • Refrigerate in an airtight container for up to 4 days
  • Reheat individual portions in the microwave
  • Can be frozen for up to 3 months
  • Thaw overnight in the refrigerator before reheating
  • Best enjoyed within 2-3 days of preparation

Whether you're feeding a hungry family or hosting a casual gathering, this Pizza Spaghetti Casserole delivers comfort, flavor, and pure culinary joy in every single bite.

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Pizza Spaghetti Casserole

Pizza Spaghetti Casserole

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This incredible casserole brings together the comfort of spaghetti and the irresistible flavors of pizza in one spectacular dish. Each bite offers a perfect balance of pasta, sauce, and cheesy goodness.

  • Total Time: 55 minutes
  • Yield: 8-10 1x

Ingredients

Scale

For the Pasta Base:

  • 12 oz spaghetti noodles
  • 1 pound ground beef or Italian sausage
  • 1 jar (24 oz) pizza or marinara sauce
  • 1 teaspoon Italian seasoning
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • Salt and pepper, to taste
  • ½ cup chopped bell peppers or mushrooms (optional)

For the Cheesy Topping:

  • 1 and ½ cups shredded mozzarella cheese
  • ½ cup grated Parmesan cheese
  • 20–25 slices pepperoni
  • Nonstick spray for greasing

Instructions

  1. Preheat your oven to 350°F. Generously grease a 9x13-inch baking dish with nonstick spray, ensuring complete coverage to prevent sticking.
  2. Bring a large pot of salted water to a boil. Cook spaghetti according to package instructions until just al dente. Drain thoroughly and set aside.
  3. In a large skillet over medium heat, brown the ground meat. Carefully drain any excess fat. Stir in pizza sauce, Italian seasoning, garlic powder, onion powder, salt, and pepper. Allow the mixture to simmer for 5 minutes, developing rich flavors.
  4. In a large mixing bowl, combine the cooked spaghetti with the meat sauce. Ensure the pasta is evenly coated with the flavorful sauce.
  5. Transfer half of the spaghetti mixture to the prepared baking dish. Sprinkle half of the mozzarella and a portion of the Parmesan cheese over this layer.
  6. Add the remaining spaghetti mixture on top. Cover with the rest of the mozzarella and Parmesan cheeses.
  7. Carefully arrange pepperoni slices evenly across the top of the casserole. If using bell peppers or mushrooms, sprinkle them over the pepperoni.
  8. Cover the dish with foil and bake for 25 minutes. Remove the foil and continue baking for an additional 10 minutes, or until the cheese is bubbly and lightly browned.
  9. Remove from the oven and let the casserole rest for 5 minutes before serving. This allows the layers to set and makes cutting easier.
  • Author: Jamie
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes

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