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Loaded Spaghetti Pizza Casserole

This easy Spaghetti Pizza Casserole features spaghetti noodles as the base, topped with a savory meat marinara sauce, mozzarella cheese, and sliced pepperoni for a loaded pizza flavor in a casserole form.

Ingredients

Scale
  • 8 ounces spaghetti noodles, broken into 2-inch pieces, cooked al dente, cooled
  • 2 ½ cups mozzarella cheese, shredded, divided
  • ¼ cup whole milk
  • 1 large egg, beaten
  • ½ teaspoon Italian seasoning
  • ½ teaspoon garlic salt
  • ¼ teaspoon kosher salt
  • 1 jar (24 ounces) marinara sauce
  • 1 pound ground beef
  • 1 teaspoon Italian seasoning
  • ½ teaspoon kosher salt
  • ¼ teaspoon black pepper
  • 3 ounces sliced pepperoni (about 35 slices)

Instructions

  1. Preheat oven to 425°F and spray a 9×13-inch baking dish with nonstick cooking spray.
  2. In a large bowl, mix together the cooked, cooled noodles, ½ cup mozzarella cheese, milk, egg, Italian seasoning, garlic salt, and kosher salt.
  3. Spread the noodle mixture evenly into the prepared baking dish and bake for 15 minutes.
  4. While baking, brown the ground beef in a medium skillet over medium heat until no pink remains, about 8 minutes, then drain grease.
  5. Add marinara sauce, Italian seasoning, kosher salt, and black pepper to the cooked beef and stir to combine.
  6. Remove pasta from oven and reduce oven temperature to 350°F.
  7. Spread the meat sauce evenly over the baked noodle layer.
  8. Sprinkle the remaining 2 cups mozzarella cheese evenly over the top.
  9. Arrange sliced pepperoni over the cheese.
  10. Return casserole to oven and bake for another 25 minutes or until cheese is melted and bubbly.

Notes

1. For a spicier kick, add crushed red pepper flakes to the meat sauce.
2. Use fresh mozzarella for a creamier texture.
3. Let the casserole rest for 10 minutes before serving to firm up.

Nutrition

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