Rustic One-Pan Blistered Tomato and Sweet Pepper Shell Pasta

This rustic one-pan pasta brings the sunny flavors of the Mediterranean to your weeknight table. Whole tomatoes, sweet red peppers, and garlic are seared until blistered and tender, then crushed into a chunky, savory sauce.

Tossed with al dente shell pasta and a generous handful of melted mozzarella, every bite is rich, comforting, and full of charred, sweet vegetable goodness. The best part: it all comes together in a single skillet, making cleanup a breeze and dinner feel like a cozy Italian trattoria meal.

There are pasta dishes that feel like a warm hug, and this is one of them. The technique is simple: sear whole vegetables until their skins blister and their sugars caramelize, then crush them into a rustic sauce. The sweet peppers add a mellow, fruity note, while the garlic roasts into a creamy, nutty paste.

Shell pasta is the perfect vehicle—its little cups catch the chunky sauce and melted mozzarella, so every forkful is loaded with flavor. It's a one-pan wonder that tastes like it simmered all day, but it's ready in about half an hour.

Ingredients

Why this recipe works

Searing the vegetables whole, with the lid on, traps steam and heat. This softens the tomatoes and peppers from the inside while the exterior blisters and caramelizes.

The result is a sauce with deep, roasted flavor and a pleasing textural contrast—tender, sweet vegetable pieces in a rich, savory base. Crushing them directly in the skillet means every bit of their juices and charred bits stay in the pan, building the sauce without extra steps.

Cooking the pasta separately and then tossing it with the sauce and cheese allows the cheese to melt and cling to every shell. The residual heat from the hot pasta and sauce melts the mozzarella into a creamy, stretchy coating.

The shells act like little cups, trapping the sauce and cheese for a perfect bite every time. This method keeps the pasta al dente and prevents it from becoming mushy, which can happen if it cooks too long in the sauce.

Notes and substitutions

Choose ripe, flavorful tomatoes—they are the backbone of the sauce. Roma or vine-ripened tomatoes work well. Red horn peppers are sweet and meaty; if unavailable, use red bell peppers. The onion and garlic add depth, and the oregano brings an earthy, herbal note. Use a good-quality olive oil for the best flavor, as it sears the vegetables and enriches the sauce.

This recipe is flexible. Any short pasta with ridges or curves, like penne, rigatoni, or fusilli, will work. For a spicier kick, add a pinch of red pepper flakes with the oregano. If you prefer a smoother sauce, you can blend the crushed vegetables before adding the pasta, but the chunky texture is part of the rustic charm. Fresh mozzarella can be substituted for shredded, but add it at the end so it melts into luscious strings.

• red horn peppers: 2 large red bell peppers, sliced into strips
• pipe rigate shell pasta: any short pasta like penne, rigatoni, or fusilli
• shredded mozzarella: fresh mozzarella, torn into pieces (add at the end for extra gooeyness)
• dried oregano: 1 tbsp fresh oregano leaves, chopped

Equipment

• Large skillet with lid
• Wooden spoon or spatula
• Large pot for boiling pasta
• Colander