Roasted Vegetable Pipe Rigate Pasta with Melted Cheese

Roasted whole vegetables — baby eggplants, sweet peppers, whole tomatoes, and onion — simmer under a glass lid until they collapse into a silky, smoky sauce. Then you toss in al dente pipe rigate and a generous handful of mozzarella, and the whole skillet turns into a molten, cheesy masterpiece. The hollow shells trap the roasted vegetable sauce in every bite, and the cheese pulls into long, glossy webs.

This recipe celebrates the simplicity of roasting whole vegetables in a single skillet. Baby eggplants, sweet red peppers, whole tomatoes, and onion wedges are seasoned with paprika and olive oil, then covered and cooked until they soften and release their juices.

The result is a concentrated, naturally sweet sauce that clings to every curve of pipe rigate. The cheese melts into the hot pasta, creating a creamy, stretchy finish. It is a vegetarian main that feels substantial and satisfying, perfect for a weeknight but impressive enough for company.

Ingredients

Why this recipe works

Roasting the vegetables whole — rather than chopping them small — lets them cook slowly and evenly, developing deep, caramelized flavors while keeping their shape until the very end.

The low heat and covered skillet trap steam, which softens the eggplant and peppers without drying them out. The tomatoes burst and release their juices, creating a rich, saucy base that needs no extra liquid. This method extracts maximum flavor from simple ingredients.

The pipe rigate shells are ideal for this dish because their hollow, curved shape catches and holds the chunky vegetable sauce. Tossing the pasta with the sauce in the same skillet lets the starch from the pasta help thicken the mixture, so every bite is coated.

The mozzarella melts into the hot pasta, creating a luxurious, stretchy texture that ties the whole dish together. The final sprinkle of parsley adds a bright, fresh note to balance the richness.

Notes and substitutions

Baby eggplants have thin skins and fewer seeds than larger ones, so they become tender quickly and do not need peeling. If you cannot find them, use one regular eggplant cut into chunks.

Sweet red peppers are the best choice for their mellow, sweet flavor; yellow or orange peppers work too. Whole tomatoes are ideal because they hold their shape during the initial roasting and then break down into a chunky sauce. Use ripe, in-season tomatoes for the best flavor.

Pipe rigate is a short, curved pasta with ridges that hold onto sauce beautifully. If you cannot find it, penne or rigatoni are excellent substitutes. Shredded mozzarella melts smoothly and gives the signature cheese pull; provolone or fontina also work. The paprika adds warmth and a subtle smokiness — use sweet paprika for a milder flavor or smoked paprika for a deeper, smoky note. Fresh parsley is a must for garnish; do not skip it.

• baby eggplants: 1 regular eggplant, cut into chunks
• sweet red peppers: yellow or orange bell peppers
• pipe rigate: penne, rigatoni, or other short tube pasta
• shredded mozzarella: shredded provolone or fontina

Equipment

• Large skillet with lid
• Large pot for pasta
• Colander
• Wooden spoon
• Chef's knife
• Cutting board