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Pizza Pasta Casserole

Pizza Pasta Casserole brings together all your favorite pizza flavors in one cheesy, family-friendly baked dish. Loaded with rotini pasta, ground beef, pepperoni, marinara, and melty mozzarella, this comforting one-pan dinner is easy to assemble and always a hit with both kids and adults.
Prep Time25 minutes
Cook Time30 minutes
Total Time55 minutes
Course: Casserole, Dinner
Cuisine: American
Keyword: , kid-friendly casserole, baked pasta with beef,, easy family dinner, pepperoni pasta bake, pizza cassero
Servings: 8
Calories: 325kcal

Ingredients

  • 1 16 oz box rotini pasta
  • 1 pound ground beef
  • 2 teaspoons Italian seasoning
  • 2 teaspoons garlic powder
  • 1/2 teaspoon kosher salt
  • 1 6 oz package pepperoni, chopped (reserve 20 whole slices for topping)
  • 1 green bell pepper finely diced
  • 1 small onion finely diced
  • 36 oz marinara sauce
  • 2 cups shredded mozzarella cheese

Toppings

  • 1 cup shredded mozzarella cheese
  • 20 whole pepperoni slices reserved from package

Instructions

  • Preheat the oven to 375°F and lightly grease a 9×13 inch baking dish with cooking spray.
  • Bring a large pot of salted water to a boil. Cook the rotini pasta according to package directions. Drain (do not rinse) and set aside.
  • In a large skillet over medium-high heat, cook and crumble the ground beef with Italian seasoning, garlic powder, and kosher salt until browned. Drain excess grease.
  • In a large mixing bowl, combine the cooked pasta, beef mixture, chopped pepperoni (reserving 20 slices for topping), diced green bell pepper, diced onion, marinara sauce, and 2 cups of shredded mozzarella. Stir until evenly mixed.
  • Transfer the pasta mixture to the prepared baking dish and spread into an even layer. Bake for 15 minutes.
  • Remove from the oven, sprinkle with the remaining 1 cup of mozzarella, and top with the reserved pepperoni slices.
  • Return to the oven and bake for an additional 10–15 minutes, or until the cheese is melted and bubbly.
  • Let rest for 5 minutes before serving.

Notes

For softer bell pepper and onion, sauté them with the ground beef in step 3.
Use 1½ jars (24 oz each) of marinara or substitute with pizza sauce for more intense flavor.
Any type of onion works—white, yellow, or sweet Vidalia.