My sister showed me this 4 ingredient dinner and it brings back so many memories of Sunday dinners at our grandmother's house.

This oven baked 4-ingredients meatball stuffed manicotti is exactly the kind of cozy, no-fuss dinner that takes me straight back to Sunday nights at my grandmother’s house. My sister actually reminded me of it a few years ago when we were both juggling work, kids’ activities, and trying to get something comforting on the table without a sink full of dishes. It’s basically the shortcut version of Grandma’s baked pasta: tender manicotti tubes stuffed with hearty meatballs, blanketed in bright red marinara, and finished with a bubbly layer of mozzarella. With just four ingredients and a glass casserole dish, you get all those nostalgic, Italian-American Sunday dinner vibes in a way that totally fits a busy weeknight.

Serve this meatball stuffed manicotti with a simple green salad (I like mixed greens with a quick vinaigrette), and some warm garlic bread or buttered Italian bread to soak up the extra marinara. A side of steamed green beans or roasted broccoli works well if you want a little more veg on the plate. If you’re feeding a crowd, add a bowl of olives or a quick antipasto platter, and finish with something simple and homey for dessert, like brownies or store-bought cannoli, to keep that relaxed Sunday dinner feeling.

Servings: 6

1 (24–28 oz) jar marinara sauce

Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch glass casserole dish. Spread about 1 cup of marinara sauce over the bottom of the dish to create a thin, even layer.

Partially cook the manicotti shells just until pliable so they’re easier to stuff: bring a large pot of salted water to a boil, add the manicotti, and cook for 4–5 minutes, or about half of the package’s suggested time. They should be flexible but still firm. Drain carefully and rinse gently with cool water so they’re easier to handle. Set aside on a parchment-lined baking sheet or plate so they don’t stick.

While the pasta cools slightly, cut or break the thawed meatballs if needed so they fit into the manicotti tubes. For small meatballs, you can usually tuck them in whole; for larger ones, cut them in half so they slide inside more easily.

Stuff the manicotti: working over a plate or cutting board, gently hold one manicotti shell in your hand and slide meatballs into each end, packing them toward the center until the tube is filled from end to end. Don’t worry if a few pieces peek out of the edges; that rustic look is part of the charm and brings back those old-school Sunday dinner vibes.

Lay each stuffed manicotti in a single layer in the prepared glass casserole dish, nestling them closely together so they stay in place. Continue until all the manicotti shells are filled and the dish is full. If you have a few extra meatballs, tuck them in between the shells or along the sides of the dish.

Pour the remaining marinara sauce evenly over the stuffed manicotti, making sure every pasta tube has some sauce on top and around it. Add a splash of water to the empty sauce jar (about 2–3 tablespoons), swirl, and pour around the edges of the dish if things look a little dry—this helps the pasta finish cooking and keeps everything saucy.

Cover the casserole dish tightly with foil. Bake in the preheated oven for 30 minutes, or until the sauce is bubbling around the edges and the manicotti are tender when pierced with a fork.

Carefully remove the foil and sprinkle the shredded mozzarella cheese evenly over the top of the hot manicotti and sauce. Return the dish to the oven, uncovered, and bake for another 10–15 minutes, or until the cheese is fully melted, bubbly, and lightly golden in spots.

Let the dish rest for about 5–10 minutes before serving. This helps the cheese set slightly and makes it easier to scoop out neat portions. Serve straight from the glass casserole dish, making sure to spoon plenty of the bright red marinara and melted mozzarella over each serving.

If you want to lean even more into those nostalgic Sunday dinner vibes, sprinkle a little dried Italian seasoning, garlic powder, or black pepper over the mozzarella before baking, while still keeping the core four ingredients the same. You can also swap the marinara for a tomato basil sauce if that’s what your family used growing up. For a slightly lighter version, use turkey meatballs and part-skim mozzarella. If your meatballs are very large, cut them into quarters so they slide into the manicotti more easily; if they’re very small, line them up like a little meatball train inside each tube. To make this more weeknight-friendly, you can stuff the manicotti the night before, cover the dish tightly, and refrigerate; add 5–10 extra minutes to the covered baking time to account for starting from cold. For a crispier cheese top, broil the casserole for 1–2 minutes at the very end, watching closely so it doesn’t burn. And if you’re cooking for a smaller household, assemble the full recipe but split it into two smaller glass dishes and freeze one (unbaked, tightly wrapped) for another busy night—just thaw overnight in the fridge, then bake as directed.