Pizza Baked Spaghetti

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This pizza baked spaghetti is such an easy weeknight dinner that’s full of your favorite homemade pizza flavors – pepperoni, garlic, tomatoes, Parmesan, and Mozzarella cheese. A simple one-pot casserole dish with just a handful of ingredients – such an easy pizza recipe idea!

Homemade pizza night doesn’t have to just be traditional pizza! You can capture the flavors of your favorite pizza recipe in an easy casserole dish like this pizza baked spaghetti recipe.

Ingredients needed

• 8 oz. uncooked spaghetti
• 1 tsp. salt – divided
• 1/4 tsp. pepper
• 1/4 tsp. garlic powder
• 3 eggs
• 1/4 cup milk
• 1 1/4 cup grated Parmesan cheese – divided
• 1 1/2 tsp. Italian Seasoning – divided
• 13 oz. pizza sauce
• 3 cup shredded Mozzarella cheese
• 3 oz. sliced pepperoni

How to make baked spaghetti

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1. Preheat the oven to 375 degrees F.
2. In a large pot, boil the spaghetti noodles, adding 1/2 tsp. salt to the water. Remove and drain when al dente.
3. Add the cooked spaghetti noodles to a large bowl. Then, add the eggs, milk, 1/2 tsp. salt, 1/4 tsp. pepper, 1/4 tsp. garlic powder, 1 cup grated Parmesan cheese, and 1 tsp. Italian seasoning to the bowl with the noodles and mix to combine.
4. Grease a 9×13 baking dish and pour the spaghetti mixture into the greased dish.
5. Pour the pizza sauce over the noodles and spread to completely cover.
6. Top with the sliced pepperoni, covering the entire surface area.
7. Top with the shredded Mozzarella cheese, covering the entire surface area.
8. Finally, sprinkle the top with the remaining 1/4 cup grated Parmesan cheese and 1/2 tsp. Italian seasoning.
9. Bake for 20-25 minutes, checking at the 20-minute mark. If you want the top to be crispy, as seen in the photos, you’ll probably cook for the full 25 minutes. If you want less crisp, check at 20 minutes.
10. Remove from oven, let sit for 5 minutes, then serve.

Recipe FAQs and Notes

Can you freeze baked spaghetti?

Yes! You’ll want to freeze any leftover baked spaghetti in an air tight container, or cover tightly with multiple layers of foil, for up to 1 month. To reheat, remove from freezer and let thaw. Then bake at 375 degrees F. for 10 minutes or until warm.

Can spaghetti be made ahead of time?

Yes! You can make the spaghetti ahead of time and store in an air tight container in the refrigerator. When ready to assemble the pizza baked spaghetti casserole, simply pick up at step #3 in the recipe.

Recipe Notes

• You can make the spaghetti ahead of time, like the night before, and store in the refrigerator. I would not recommend assembling the entire casserole ahead of time, as some of the ingredients may settle to the bottom.

Recommended kitchen resources for this recipe

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Make it a meal with these additional recipes!

• Creamed Spinach
• Sautéed Green Beans & Mushrooms
• Blackberry Summer Salad
• Caramel Apple Galette
• La Croix Piña Colada

Pizza Baked Spaghetti Recipe