The Ultimate Cheese Tortellini Pepperoni Pizza Casserole

This is for those nights when you can’t decide between ordering a pepperoni pizza or boiling a pot of pasta — so you do both. But instead of juggling two dinners, you throw them together into one ridiculously cheesy, saucy, crowd-pleasing casserole. It’s the kind of dish that feels like a cheat meal in the best way — comforting, indulgent, and just plain fun. Kids love it. Adults go back for seconds. And if you’re lucky enough to have leftovers, they taste even better the next day. This casserole is layered with tender cheese tortellini, marinara or pizza sauce, stretchy mozzarella, and a whole lot of crispy, golden pepperoni. The top gets bubbly and browned, while the inside stays soft and creamy with just enough bite from the pasta. Perfect for potlucks, busy weeknights, or Sunday game day spreads. And yes, you can prep it ahead, freeze it, or double it for a big group.

Ingredients

• 1 (20 oz) package of cheese tortellini (fresh or frozen)
• 2 cups pizza sauce or marinara sauce
• 2½ cups shredded mozzarella cheese, divided
• 1 cup sliced pepperoni (plus extra for topping)
• 1 tablespoon olive oil (for greasing)
• 1 teaspoon Italian seasoning (optional)
• ½ teaspoon garlic powder (optional)
• ¼ teaspoon red pepper flakes (optional)
• Fresh basil or parsley, chopped (for garnish)

Preparation

Start by preheating the oven to 375°F (190°C). Grab a 9×13-inch baking dish and give it a quick grease with olive oil or a shot of cooking spray. This keeps everything from sticking and helps the edges get that perfect crispy texture.

Now bring a large pot of salted water to a boil. Toss in the tortellini and cook just until al dente — don’t overcook it, because it’ll keep softening in the oven. Once it’s done, drain it well and set it aside. You want it dry enough so the sauce clings nicely.

In a big mixing bowl, combine the drained tortellini, all of the pizza sauce, half of the shredded mozzarella, and most of the pepperoni slices. If you want extra flavor (and you do), go ahead and add Italian seasoning, garlic powder, and a pinch of red pepper flakes. Stir gently until everything is evenly mixed and beautifully coated in sauce and melty cheese.

Pour this mixture into your greased baking dish and smooth it out with a spoon. Sprinkle the rest of the mozzarella over the top. Then arrange a layer of pepperoni slices — go for that Insta-worthy, edge-to-edge look — and if you’re feeling extra, toss on some extra shredded cheese or even a sprinkle of grated parmesan.

Slide the dish into the oven and bake for about 20–25 minutes. You’re looking for melted, bubbly cheese with golden brown edges and that irresistible smell that makes everyone wander into the kitchen asking, “Is it ready yet?”

When it comes out of the oven, let it rest for 5 minutes. This helps the casserole set a little so it’s easier to serve and not just a cheesy mess (although honestly, no one would complain). Before serving, scatter fresh chopped basil or parsley over the top for a pop of color and freshness.

This dish is wildly adaptable, so go ahead and get creative with what you’ve got on hand. Add some sautéed mushrooms, onions, or bell peppers for more veggie goodness. Swap in cooked Italian sausage, ground beef, or rotisserie chicken if you want to switch up the protein. Want more heat? Thinly sliced jalapeños or a squirt of hot sauce will do the trick. If you like it creamy, mix in a dollop of ricotta or a few spoonfuls of cream cheese before baking for a gooey, rich bite.

Leftovers can be stored in the fridge in an airtight container for up to 3 days. To reheat, use a microwave if you’re short on time, but for best results, warm it up in the oven at 350°F until heated through — it brings the texture back to life. You can also freeze the whole casserole (baked or unbaked). Just wrap it tightly in plastic wrap and foil, and it’ll keep for up to a month. Thaw overnight in the fridge before baking or reheating.

Serve it with a green salad, some garlic bread, or a glass of something fizzy and cold. But honestly, it doesn’t need much — it’s rich, satisfying, and cheesy enough to stand on its own. The kind of meal that doesn’t just feed people — it makes them happy.