Hidden Veggie Rainbow Pasta

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A vibrant one-pot pasta dish featuring hidden vegetables in a creamy tomato sauce that kids love without noticing the nutritious boost. This italian-inspired pasta ready in about 40 minutes pairs whole wheat spaghetti, medium, grated (1 cup) zucchini, medium, grated (1/2 cup) carrot 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.

★ 3.8 (11 ratings) Prep: 15 min Cook: 25 min Serves 4 Italian cuisine 450 cal/serving
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Ingredients

Instructions

  1. Step 1: Bring a large pot of salted water to a rolling boil; add 8 oz whole wheat spaghetti and cook for 8 minutes until al dente, then drain and set aside.
  2. Step 2: In the same pot, heat 2 tbsp olive oil over medium heat; add 1 cup grated zucchini and 1/2 cup grated carrot, and sauté for 4 minutes until softened and most liquid has evaporated, stirring occasionally.
  3. Step 3: Add 1/2 cup low-sodium tomato sauce, 1/4 cup chicken broth, 1/4 tsp dried basil, 1/4 tsp dried oregano, salt, and pepper; bring to a gentle simmer for 2 minutes until the sauce thickens slightly.
  4. Step 4: Stir in 1 cup finely chopped fresh spinach until wilted (about 1 minute), then add the drained spaghetti and toss to coat; sprinkle with 1/4 cup grated Parmesan cheese and toss until melted and creamy.
  5. Step 5: Serve immediately with a sprinkle of 1/4 cup grated mozzarella on top.

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Frequently asked questions

How long does Hidden Veggie Rainbow 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 Hidden Veggie Rainbow 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 whole wheat spaghetti from drying out.

Can I substitute ingredients in Hidden Veggie Rainbow 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 Hidden Veggie Rainbow 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.

What goes well with Hidden Veggie Rainbow Pasta?

Italian pasta like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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