One-Pan Roasted Vegetable Shell Pasta

This one-pan roasted vegetable shell pasta turns humble vegetables into a deeply savory, silky sauce that clings to every pipe rigate shell. Halved eggplants, red peppers, tomatoes, and onions caramelize together in olive oil until meltingly tender, then get tossed with al dente pasta and molten cheese.

The result is a comforting, rustic dinner that feels both indulgent and wholesome, with a beautiful golden-brown finish and a satisfying cheese pull in every bite. Perfect for a weeknight when you want something special without a pile of dishes.

Whole roasted vegetables—eggplant, red peppers, tomatoes, and onions—are the heart of this one-pan pasta. They simmer under a lid until they collapse into a jammy, caramelized sauce that coats every ridged shell. The pipe rigate's hollow shape traps the sauce, so each forkful is packed with flavor.

A generous handful of mozzarella melts into stretchy webs that make the dish feel extra luxurious. Ready in under an hour, this recipe is a celebration of simple ingredients and slow cooking, bringing out the natural sweetness of the vegetables without any fuss.

Ingredients

Why this recipe works

The method relies on gentle caramelization and steam to transform vegetables into a sauce. Cooking them covered in olive oil allows the natural sugars to concentrate while the trapped steam keeps the vegetables moist and tender.

The result is a deep, complex flavor that you cannot get from quick sautéing. The vegetables break down just enough to create a chunky, silky base that clings to the pasta without becoming a puree.

Pipe rigate is the perfect pasta shape for this dish. Its ridges and hollow center catch the vegetable sauce and melted cheese, ensuring that every bite is flavorful.

Tossing the cooked pasta with the sauce and a splash of starchy pasta water helps the sauce emulsify and coat every shell evenly. The melted mozzarella adds a creamy, stretchy element that binds everything together, making the dish feel rich and satisfying.

Notes and substitutions

Choose firm, glossy eggplants and ripe, fragrant tomatoes for the best flavor. If you can find pipe rigate, use it; otherwise, any short tubular pasta like penne or ziti works. The vegetables are the star, so use good-quality extra-virgin olive oil and flaky sea salt. For a spicier kick, add a pinch of red pepper flakes with the salt, though the video keeps it mild.

You will need a large skillet with a tight-fitting lid to trap the steam while the vegetables cook. A 12-inch skillet is ideal. If your skillet is not oven-safe, skip the optional broiler step. The recipe is naturally vegetarian and can be made vegan by omitting the cheese or using a dairy-free alternative. Leftovers keep well for a few days and taste even better the next day.

• pipe rigate: Use penne, ziti, or large shells if pipe rigate is unavailable; the sauce clings to any ridged or hollow shape.
• mozzarella: Substitute provolone, fontina, or a mix of grated Parmesan and mozzarella for a different cheese pull.
• cherry tomatoes: Use 3 medium Roma tomatoes, chopped, if cherry tomatoes are not in season.
• red bell peppers: Yellow or orange bell peppers work just as well; they add a similar sweetness and color.

Equipment

• Large skillet with lid (12-inch)
• Large pot for pasta
• Colander
• Wooden spoon
• Chef's knife
• Cutting board