My mother in law makes this incredible roasted vegetable dish and it magically requires just 4 ingredients

This oven baked 4-ingredients roasted eggplant pasta is the kind of dish my mother-in-law pulls together without a second thought: a big metal pan, a pile of eggplant, a jar of tomato sauce, some dry pasta, and a generous glug of olive oil. Everything roasts together until the eggplant turns silky and caramelized, the ziti softens in the sauce, and the whole pan takes on that deep, concentrated flavor you usually only get from slow stovetop cooking. It’s Italian-American in spirit, but streamlined for busy weeknights—no separate pots of boiling water, no long ingredient list—just four pantry-friendly basics and the heat of the oven doing most of the work.

Serve this roasted eggplant pasta straight from the metal baking sheet with a big spoon, letting everyone scoop up plenty of sauce and those deeply browned eggplant edges. It’s lovely with a simple green salad dressed in lemon and olive oil, or some quickly sautéed greens if you want more vegetables on the table. A crusty baguette or warm focaccia is perfect for mopping up the thick tomato sauce that clings to the bottom of the pan. If you enjoy wine, a medium-bodied red like a Montepulciano d’Abruzzo or a Chianti pairs nicely with the roasted flavors and the sweetness of the eggplant.

Servings: 4

2 medium eggplants (about 1 1/2 to 2 pounds total), cut into 1-inch chunks

Preheat your oven to 400°F (200°C). Lightly grease a large metal baking sheet or shallow roasting pan with a little of the olive oil to help prevent sticking.

Spread the eggplant chunks out on the prepared baking sheet in as even a layer as possible. Drizzle with the 1/4 cup olive oil and toss right on the pan with your hands or a spatula until the eggplant is well coated. Push the eggplant into a loose, even layer, leaving some space between pieces so they can brown.

Roast the eggplant on the middle rack for 15 to 20 minutes, stirring once halfway through, until it begins to soften and you see some light browning on the edges. You’re building flavor here, so a little caramelization is what you want.

While the eggplant is roasting, in a bowl or large measuring cup, stir together the tomato sauce and 1 cup of water. This extra liquid helps the dry ziti cook in the oven without boiling it separately.

Remove the baking sheet from the oven. Add the dry ziti directly to the pan, scattering it over and around the partially roasted eggplant. Pour the tomato sauce mixture evenly over everything, then use a spatula to gently stir and tuck the pasta down into the sauce so most of it is coated and submerged. If the pan looks very dry or the pasta isn’t mostly covered, drizzle on another 1/4 to 1/2 cup water and a small splash of olive oil.

Cover the baking sheet tightly with foil, tenting it slightly so it doesn’t touch the food but sealing the edges to trap steam. Return the pan to the oven and bake for 25 minutes, until the pasta is mostly tender and the eggplant is very soft.

Carefully remove the foil (watch for escaping steam), stir the pasta and eggplant together to coat everything in the thickening tomato sauce, and spread it back into an even layer. Return the pan to the oven, uncovered, and bake for another 10 to 15 minutes. The sauce should reduce and cling to the ziti, and the exposed bits of eggplant should look caramelized and slightly jammy.

Check a piece of pasta for doneness; it should be al dente to tender. If it’s still firmer than you like, add a splash more water, stir, and bake uncovered for an additional 5 to 10 minutes. When done, remove from the oven and let the pan rest for 5 minutes so the sauce settles and thickens before serving straight from the baking sheet.

Because this recipe is built on just four ingredients, the variations are more about technique than adding new elements. For slightly smokier, more concentrated flavor, cut the eggplant into smaller 3/4-inch chunks and let them roast on the pan for an extra 5 to 10 minutes before adding the pasta and sauce; smaller pieces caramelize more deeply. If you prefer a softer, almost spreadable eggplant texture, peel the eggplant before cutting it and roast as directed. To keep the pasta from overcooking, start checking it a bit early, around the 20-minute mark after adding the sauce, especially if you’re using a thinner or smaller pasta shape than ziti. You can also adjust the texture of the final dish: for a looser, saucier result, add up to 1/2 cup more water with the tomato sauce; for a thicker, almost casserole-like pasta, let it bake uncovered a little longer at the end so the sauce reduces further. Finally, if your tomato sauce is very thick and dense, don’t skip thinning it with water; the oven needs that moisture to both cook the pasta through and keep the eggplant from drying out.