Sheet Pan Fennel and Tomato Pasta

By · Reviewed by AislePrompt Editorial · ·

Tender pasta baked with caramelized fennel and cherry tomatoes, finished with fresh basil and Parmesan for a vibrant, one-pan meal. This italian-inspired one pot (vegetarian) ready in about 40 minutes pairs ounces spaghetti, tablespoons olive oil, large fennel bulb for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 25 min Serves 4 Italian cuisine 450 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 425°F. Thinly slice 1 large fennel bulb and halve 2 cups cherry tomatoes. In a bowl, combine 2 tablespoons olive oil, 3 minced garlic cloves, and 1/4 teaspoon red pepper flakes. Add fennel and tomatoes, tossing to coat evenly. Spread in a single layer on a large sheet pan and roast for 20 minutes, stirring once halfway, until fennel is tender and tomatoes are blistered.
  2. Step 2: While vegetables roast, bring a large pot of salted water to a boil. Add 12 ounces spaghetti and cook for 8 minutes until al dente. Drain, rinse under cold water, and set aside.
  3. Step 3: Transfer roasted vegetables and any pan juices to a bowl. Add drained spaghetti, 1/2 cup vegetable broth, 1/4 cup grated Parmesan cheese, and 2 tablespoons chopped fresh basil. Toss until cheese melts and sauce coats pasta evenly, adding 2 tablespoons reserved pasta water if needed for creaminess.

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Frequently asked questions

How long does Sheet Pan Fennel and Tomato Pasta take to make?

Total time is about 40 minutes (15 min prep + 25 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Sheet Pan Fennel and Tomato Pasta?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep ounces spaghetti from drying out.

Can I substitute ingredients in Sheet Pan Fennel and Tomato Pasta?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Sheet Pan Fennel and Tomato Pasta for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Sheet Pan Fennel and Tomato Pasta vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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