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Dinner · Part 1 of 3: Ingredients

Easy Pizza Casserole with Melty Mozzarella and Pepperoni

A portion of cheesy pizza casserole being lifted with a spatula, showing a dramatic, steamy cheese pull and golden pepperoni.
Prep
Cook
Total
Serves
8
Includes 10 min resting

When you cannot decide between a comforting bowl of pasta and a cheesy slice of pizza, this incredible pizza casserole steps in to save the day. It brings together the absolute best elements of both classics into one simple, family-friendly baking dish.

With every single scoop, you get tender pasta, a rich meat sauce, and an unforgettable cheese pull that makes weeknight dinners feel like a special occasion.

This recipe is designed for busy households that refuse to compromise on flavor. By combining hearty penne pasta with savory ground beef, a robust marinara sauce, and a generous topping of mozzarella and pepperoni, you create a dish that satisfies everyone at the table.

It is incredibly easy to put together, making it the perfect solution for hectic weeknights, potlucks, or casual weekend gatherings. Best of all, it uses simple, accessible ingredients that you can easily keep stocked in your pantry and freezer, ensuring a comforting meal is always within reach.

Ingredients

Makes one 9x13-inch casserole · serves 8
  • 16 oz dry penne pasta, cooked al dente
  • 1 lb ground beef
  • 24 oz marinara sauce, store-bought or made ahead
  • 3 cups shredded mozzarella cheese, divided
  • 4 oz sliced pepperoni, standard or mini slices
Contains: gluten, milk

Why this recipe works

The magic of this casserole lies in the layering and the baking process. Boiling the pasta to a firm al dente state ensures that it does not become mushy or bloated when subjected to a second round of cooking in the oven.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

As the casserole bakes, the penne absorbs the savory juices from the meat marinara, intensifying the overall flavor of the dish while maintaining a satisfying texture in every bite.

Additionally, baking the casserole uncovered at a moderate oven temperature allows the moisture to escape, concentrating the sauce while melting the cheese into a bubbly, golden blanket. The pepperoni slices on top release their flavorful oils directly into the mozzarella, creating crispy edges and a savory richness that perfectly mimics a freshly baked pizzeria pie.

Notes and substitutions

When selecting ingredients, opt for high-quality ground beef, which provides a rich and savory base for the meat sauce. If you prefer, ground turkey or pork works beautifully as well. For the cheese, low-moisture, whole-milk mozzarella is highly recommended because it melts into the ultimate stretchy cheese pull without releasing excess water.

For the pasta, sturdy shapes with ridges, such as penne rigate or rotini, are ideal because they hold onto the thick meat sauce much better than smooth pasta shapes.

If you need a shortcut, a high-quality store-bought marinara sauce saves valuable time without sacrificing depth of flavor. Standard glass or ceramic 9x13-inch baking dishes are perfect for this recipe, ensuring even heat distribution.

  • ground beef: ground turkey, Italian sausage, or a plant-based meat alternative cooked to the same safe internal temperature
  • penne pasta: rotini, rigatoni, or medium pasta shells to capture the rich meat sauce beautifully

Equipment

  • 9x13-inch glass baking dish
  • large pot
  • large skillet
  • wooden spoon
  • spatula

Coming up in Part 2: the method

  1. Prep and Cook Pasta and Beef · 2 stepsBoil the Pasta · Brown the Meat
  2. Combine and Assemble Casserole · 2 stepsCombine Sauce and Pasta · Assemble the Casserole
  3. Bake and Cool Casserole · 1 stepBake to Perfection

Up next · Part 2 of 3

5 steps · 25 min of cooking · what to look for at each stage

Step-by-step instructions (Part 2)