Fun-Filled Rainbow Pasta Bowls

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A colorful, one-pot pasta dish featuring spiral vegetables and a creamy herb sauce, designed to make weeknight dinners feel like a celebration. This italian-inspired one pot (vegetarian) ready in about 27 minutes pairs rotini pasta, spiralized zucchini, thinly sliced red bell pepper for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 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: 12 min Serves 4 Italian cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Bring a large pot of salted water to a boil; add 12 oz rotini and cook for 8 minutes until al dente, then drain and set aside.
  2. Step 2: Heat 2 tbsp olive oil in a large skillet over medium heat; add 2 minced garlic cloves and sauté for 1 minute until fragrant and golden, being careful not to burn.
  3. Step 3: Add spiralized zucchini, yellow squash, and red bell pepper to the skillet; cook for 4 minutes until vegetables are tender-crisp and slightly caramelized, stirring occasionally.
  4. Step 4: Stir cooked pasta into the skillet with vegetables, then add 1/4 cup chopped basil; toss until everything is evenly coated and heated through.

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Frequently asked questions

How long does Fun-Filled Rainbow Pasta Bowls take to make?

Total time is about 27 minutes (15 min prep + 12 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 Fun-Filled Rainbow Pasta Bowls?

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 rotini pasta from drying out.

Can I substitute ingredients in Fun-Filled Rainbow Pasta Bowls?

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 Fun-Filled Rainbow Pasta Bowls 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 Fun-Filled Rainbow Pasta Bowls 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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