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Featured Recipe

Stuffed Heirloom Tomatoes

Stuffed Heirloom Tomatoes

By Kate

Whole heirloom tomatoes turned into rich vessels for a herbed pasta filling. Onions slowly sweetened in oil, garlic soft but not burnt. Sauce infused with fresh herbs, chunked tomato flesh folded in for extra texture and tang. Pasta cooked al dente, tossed lightly with robust sauce melded inside ripe tomato shells. Oven warming tomatoes through just enough to marry flavors, melt cheese topping gently to finish. Serving with reserved tomato caps adds rustic charm. Variations on herbs and cheeses keep this versatile. Watch for watery tomatoes or mushy shells; firmness imperative. Simple, layered, mindful technique for satisfying from start to finish.
Prep: 20 min
Cook: 30 min
Total: 50 min
Serves: 4 servings
veggie pasta baking Italian heirloom
Introduction
Tomatoes softening, hollowed out just right — no bruises, firm but not rock hard. The smell of onions sizzling, slowly turning translucent in a pool of easy olive oil. Garlic joins last, pungent but not overcooked. The sauce thickens gently, with fresh oregano lending a woodsy aroma that lifts a simple marinara into something sharper, brighter. Pasta strands slipping through boiling water until tender—watch it closely, not mushy, al dente is king here. Mixing scooped tomato flesh into sauce adds subtle texture and intensifies fresh flavor. Filling the tomato shells with tangled noodles bathed in sauce. Baking slowly, low heat coaxing flavors to meld without collapsing the tomatoes. Cheese melts lightly, a final touch that adds salty richness. A rustic meal, midweek comfort with complexity behind an ostensibly simple dish.

Ingredients

  • 4 large heirloom tomatoes
  • 6 oz thin spaghetti substitute with capellini or angel hair
  • 1 small yellow onion diced
  • 3 cloves garlic minced
  • 2 T extra virgin olive oil or avocado oil
  • 1 cup chunky marinara sauce replace with arrabbiata for heat
  • 2 T chopped fresh oregano fresh thyme if unavailable
  • 1 tsp dried Italian seasoning
  • salt and black pepper to taste
  • 1/3 cup shredded Pecorino Romano cheese substitute Parmesan or Grana Padano
  • optional fresh basil leaves for garnish
  • About the ingredients

    Heirloom tomatoes vary wildly in size and firmness — feel before buying. Look for slightly firm, heavy for their size with taut skin to hold filling without leaking. Capellini or angel hair pasta work well here; they soak sauce without becoming clumpy. Olive oil is traditional, but avocado oil is a good neutral substitute with a higher smoke point, safe for sautéing garlic. Marinara can be swapped for spicy arrabbiata to add heat or a smoky chipotle version if you want to take risks. Fresh oregano dominates here, but if you only have thyme, it’s a worthy replacement with less assertiveness. Pecorino Romano adds a sharper edge than Parmesan; you can mix the two to balance salt and milder sweetness. If no cheese, breadcrumbs mixed with herbs and a touch of olive oil provide a pleasant crunch topping.

    Method

  • Heat a large pot of water until just boiling rapidly before adding a generous pinch of salt. Drop spaghetti in, stirring occasionally to prevent sticking. Cook until just shy of tender but still with bite. Drain and toss quickly with a splash of olive oil to keep strands separate.
  • Set oven to a low 225 degrees F instead of 200 – low and slow heats tomatoes evenly without drying out. This step won’t rush; watch color and feel not minutes.
  • In a skillet over medium heat, warm 2 tablespoons olive oil until it shimmers but does not smoke. Add diced onions, stir often until glossy and translucent, edges softening but no browning. Garlic minced fine goes in last because it burns fast, drops in and stirs immediately till fragrant, about 30 seconds.
  • Pour in marinara sauce with fresh oregano and Italian seasoning. Bring to a gentle simmer – bubbling gently without roaring. Season carefully with salt and pepper, as sauce concentration will deepen once baked.
  • Slice off the top third of each tomato cautiously to create neat lids. Keep these to the side for plating.
  • Using a spoon, scoop out tomato flesh with seeds and watery bits. Add this scooped pulp into the sauce, stirring for texture and tang. This adds moisture and freshness, key for avoiding dryness inside the tomatoes.
  • Mix drained pasta through the marinara sauce, coating evenly but not drowning. The strands should cling lightly.
  • Carefully fill each hollowed tomato with a swirl of the pasta mixture. Don’t overpack – leave room for sauce to spread inside while baking.
  • Arrange tomatoes upright in a glass or ceramic casserole dish that supports them firmly. If any tipsy, wedge small pieces of foil under base for balance.
  • Bake uncovered for about 12 to 18 minutes, checking for tomatoes to soften but keep shape. Skin should wrinkle slightly but stay taut. You’ll hear faint bubbling of sauce as it warms through.
  • Just before pulling from oven, spoon a bit more sauce on top, sprinkle with Pecorino Romano cheese. Cheese should melt gently, forming a light crust rather than brown spots.
  • Serve immediately, with tomato tops replaced for rustic presentation. Fresh basil leaves scattered on plate add aroma and color contrast.
  • Technique Tips

    Don’t rush boiling pasta; texture is everything. Use a large pot for water to circulate freely, toss soon after draining with a touch of oil to prevent sticking. The slow oven temperature is critical — tomatoes build flavor during gentle warming, not roasting. Overheating shrinks them too much, turning stuffing to mush. Sauté onions slowly, frequent stirring to bring out natural sweetness without burning; garlic is added at the end to avoid bitterness. Integrating hollowed tomato flesh into sauce prevents watery gaps and intensifies freshness. When filling tomatoes, use a fork or small spoon and gently swirl pasta inside so sauce coats well. Bake uncovered for vapor to escape, capturing a lush but not soggy interior. Cheese topping melts easily; avoid broiling unless you want a scorched crust. Serve right away, or tomatoes turn mealy and lose integrity. If you must prep early, cool completely then rewarm gently wrapped in foil.

    Chef's Notes

    • 💡 Choose firm heirloom tomatoes; squeeze them gently. Look for heavy ones with taut skin. Avoid any bruises. Make sure they can hold filling upright.
    • 💡 Pasta needs attention—boil until just al dente; watch closely. Drain quickly, toss with oil to prevent sticking. Time is key for texture.
    • 💡 Low temperature for baking is crucial—225 degrees F maintains shape, prevents mushy interiors. Let those tomatoes warm gradually, meld flavors.
    • 💡 Pay attention to onions; don’t rush them. Stir often, gentle heat brings out sweetness. Keep garlic last in the pan to avoid bitterness.
    • 💡 When filling tomatoes, leave some space at the top. Sauce will spread inside, adding flavor. Overpacking might cause them to burst.

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