This 4-ingredient oven classic pasta using wide noodles is the kind of weeknight dinner I lean on when work runs late and I still want the house to smell like I’ve been cooking all afternoon. You literally pour the uncooked noodles right into the baking dish, add three simple pantry-friendly ingredients, and let the oven do the heavy lifting while you answer emails or fold laundry. It’s loosely inspired by those old-school Midwestern baked pasta casseroles our moms and grandmas made, but streamlined for busy weeknights—no boiling, no babysitting, just layer, cover, and bake until the noodles are silky-tender and everything is bubbling and golden around the edges.
Serve this cozy baked pasta straight from the glass dish with a big green salad (bagged spring mix totally counts) and some warm garlic bread or buttered rolls to soak up the extra sauce. A simple side of steamed broccoli or roasted carrots works well if you’re trying to round out the meal with more veggies. If you like a little heat, pass red pepper flakes at the table, and for a more indulgent feel, offer extra shredded mozzarella or Parmesan so everyone can sprinkle their own on top.
4-ingredient oven classic pasta using wide noodlesServings: 6
Ingredients
12 oz dry wide lasagna-style noodles (no-boil or regular)
4 cups jarred marinara or pasta sauce
3 cups whole milk (or 2% milk)
2 cups shredded mozzarella cheese, divided
Directions
Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch glass baking dish with a quick swipe of oil or a bit of nonstick spray to help keep the noodles from sticking.
In a large bowl or large measuring pitcher, whisk together the marinara sauce and milk until fully blended. This creamy tomato mixture is what will cook and soften the dry noodles right in the oven.
Pour about 1 cup of the sauce mixture into the bottom of the baking dish and tilt the dish so the sauce coats the entire bottom in a thin layer. This helps the first layer of noodles soften evenly.
Arrange a layer of dry wide lasagna-style noodles flat in the dish, slightly overlapping them so they cover the bottom. It’s okay if you need to break a few pieces to fit the corners; just keep them mostly in a single, even layer.
Sprinkle about 1/2 cup of shredded mozzarella over the noodles, then pour about 1 to 1 1/4 cups of the sauce mixture over the top, making sure to cover the noodles as evenly as possible. Gently press down with the back of a spoon so sauce seeps between the noodles.
Repeat the layering: noodles, 1/2 cup cheese, then 1 to 1 1/4 cups sauce, until you’ve used all the noodles and most of the sauce. Finish with a final layer of noodles on top, then pour the remaining sauce mixture over them, making sure every visible noodle is coated so they cook through.
Sprinkle the remaining mozzarella cheese evenly over the top layer. If any noodle edges are poking out, tuck them under the sauce or cheese so they don’t dry out while baking.
Cover the baking dish tightly with aluminum foil, tenting it slightly so it doesn’t stick to the cheese. Place the dish on the middle oven rack and bake, covered, for 45 minutes. During this time, the noodles will absorb the sauce and milk and become tender.
After 45 minutes, carefully remove the foil (watch for steam), then return the dish to the oven and bake uncovered for another 15–20 minutes, or until the pasta is bubbling around the edges and the cheese on top is melted and lightly golden in spots.
Check doneness by sliding a knife or fork into the center; the noodles should be tender and easily pierced. If they still feel firm, cover loosely with foil again and bake in 5–10 minute increments until done.
Once cooked, remove the dish from the oven and let the pasta rest for at least 10 minutes before serving. This helps the layers set up a bit so it slices more cleanly and keeps the sauce from running all over the plate.
Scoop or cut into squares and serve warm straight from the baking dish. Store leftovers in a covered container in the refrigerator for up to 3–4 days, reheating in the microwave or covered in the oven until steaming hot.
Variations & Tips
You can easily tweak this simple base to fit your family’s tastes and what you have on hand. For extra protein, stir 1–2 cups of cooked ground beef, Italian sausage, or shredded rotisserie chicken into the sauce-and-milk mixture before layering. To add more veggies, tuck in a layer of baby spinach, thinly sliced zucchini, or sautéed mushrooms between the noodle layers (just keep the total volume reasonable so the noodles still have enough liquid to cook). If you like things cheesy, swap part of the mozzarella for shredded Italian blend or add a light sprinkle of grated Parmesan on top before baking. For a creamier version, replace 1 cup of the milk with half-and-half, or use a creamy tomato basil sauce. If using no-boil lasagna noodles, the timing should be similar; if using very thick traditional noodles, you may need an extra 5–10 minutes of covered baking time and a quick check to ensure they’re fully tender. Food safety tips: Always check that the center of the casserole is piping hot (at least 165°F/74°C) before serving, especially if you’ve added meat. Let leftovers cool slightly before refrigerating, then store them in shallow containers and eat within 3–4 days. Reheat leftovers until steaming hot throughout, and do not leave baked pasta sitting at room temperature for more than 2 hours to reduce the risk of bacterial growth.