The Easy Penne Casserole is the kind of comforting, oven-baked meal that hits all the right notes — cheesy, hearty, savory, and full of flavor — all with minimal prep and maximum satisfaction. Rooted in the classic tradition of baked pasta dishes, this recipe is a modern twist on the kind of homestyle fare you’d expect to find simmering in a family kitchen on a chilly Sunday evening. It’s the epitome of cozy food, nourished by layers of robust tomato sauce, lean ground beef, sautéed vegetables, and melty cheese. And while its flavors may feel deeply nostalgic, this casserole is streamlined for today’s busy home cook.
This dish draws inspiration from Italian-American classics like baked ziti and lasagna, where tomato, cheese, and pasta form an unbeatable trio. Where those traditional recipes can sometimes feel involved — requiring long simmering times or multiple components — the Easy Penne Casserole simplifies the process without sacrificing any of the richness or comfort. The use of lean ground beef offers a good dose of protein and heartiness, while passata or crushed tomatoes provide a clean, bright acidity that balances the richness of the cheese.
One of the great things about this casserole is its flexibility. The recipe as-is is packed with flavor, thanks to the garlic, basil, and sautéed vegetables like shallots, bell pepper, and mushrooms. However, it welcomes customization. You can bulk it up with more vegetables—think zucchini, spinach, or even eggplant—or add a bit of spice with crushed red pepper flakes or chili powder. Not a fan of beef? Ground turkey or plant-based crumbles work beautifully too, making this a dish adaptable to different dietary choices without compromising on flavor.
From a cooking perspective, the recipe is straightforward. A quick sauté brings out the natural sweetness in the aromatics and enhances the meat’s flavor. The sauce develops its character in just a few minutes, thanks to the quality of the tomatoes and the aromatics. Tossing it all with al dente penne ensures the pasta soaks up all those savory juices before it’s layered in a casserole dish with generous handfuls of Parmesan and reduced-fat Mozzarella. The final bake ties it all together — cheese melts and bubbles across the surface while the flavors meld into a cohesive, satisfying whole.
Traditionally a casserole is seen as a communal dish, something that brings friends and families together around the table. This Easy Penne Casserole is no different — it’s a great meal for busy weeknights, meal prep Sundays, or when you’re hosting guests and want something that pleases a crowd without keeping you tied to the kitchen.
Whether you serve it with a crisp salad, garlic bread, or just on its own, this casserole is a heartwarming staple that belongs in every home cook’s rotation. It’s easy, wholesome, and above all, delicious — a dish you’ll come back to again and again.
Easy Penne Casserole
Ingredients
1 teaspoon olive oil
1 small green onions (scallions or green shallots) - minced
2 cloves garlic - minced
½ medium green pepper (green capsicum) - diced
6 ounces mushrooms - diced
10 ounces ground beef (minced beef) - sirloin
28 ounces passata or crushed tomatoes (tomato puree with seeds removed) - low-salt
½ teaspoon dried basil
8 ounces penne pasta
2 tablespoons Parmesan cheese - grated
¾ cup Mozzarella cheese - reduced-fat and grated
Instructions
- Preheat oven to 375 degrees Fahrenheit.
- Heat oil in a non-stick pan. Add the shallot, garlic, pepper, and mushrooms, and sauté until they begin to soften. Include the hamburger and separate as you cook until the meat is caramelized. Add the tomatoes and basil. Simmer while the pasta cooks.
- Cook the penne pasta as per package directions. Drain and return to the pot. Toss with the beef sauce.
- Spot one portion of the pasta in the base of a casserole. Top with 1/2 of the parmesan. Top with remaining pasta. Sprinkle with mozzarella and the remaining parmesan.
- Bake for 20 minutes or until the cheddar tans and the casserole bubbles.
- Serve warm.
