Lemon-Herb Roasted Rainbow Vegetables with Herbed Quinoa

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A vibrant, nutrient-packed meal featuring seasonal vegetables roasted to tender perfection and served over fluffy quinoa infused with fresh herbs. This mediterranean-inspired vegetarian (vegan) ready in about 52 minutes pairs rainbow cherry tomatoes, thinly sliced red bell pepper, cut into 1/4-inch wedges yellow onion 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.

★ 4.4 (9 ratings) Prep: 15 min Cook: 37 min Serves 4 Mediterranean cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F. Toss cherry tomatoes, zucchini, bell pepper, and onion with 1 tbsp olive oil, lemon juice, oregano, 1/8 tsp salt, and 1/8 tsp black pepper on a parchment-lined baking sheet.
  2. Step 2: Roast for 20-22 minutes until vegetables are tender and slightly caramelized around the edges, stirring once halfway through.
  3. Step 3: Meanwhile, combine rinsed quinoa and vegetable broth in a saucepan. Bring to a boil, then reduce heat to low, cover, and simmer for 15 minutes until liquid is absorbed.
  4. Step 4: Fluff cooked quinoa with a fork, then stir in remaining 1 tbsp olive oil, parsley, basil, 1/4 tsp salt, and 1/8 tsp black pepper.
  5. Step 5: Serve roasted vegetables over quinoa, ensuring each portion has equal amounts of each vegetable.

Equipment for this recipe

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Frequently asked questions

How long does Lemon-Herb Roasted Rainbow Vegetables with Herbed Quinoa take to make?

Total time is about 52 minutes (15 min prep + 37 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 Lemon-Herb Roasted Rainbow Vegetables with Herbed Quinoa?

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 rainbow cherry tomatoes from drying out.

Can I substitute ingredients in Lemon-Herb Roasted Rainbow Vegetables with Herbed Quinoa?

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 Lemon-Herb Roasted Rainbow Vegetables with Herbed Quinoa 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 Lemon-Herb Roasted Rainbow Vegetables with Herbed Quinoa vegan?

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

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