Quinoa-Stuffed Bell Peppers with Roasted Vegetables

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

Colorful bell peppers filled with protein-rich quinoa and roasted seasonal vegetables, baked until tender. This american-inspired vegetarian (vegetarian) ready in about 50 minutes pairs cooked quinoa, medium, chopped zucchini, halved cherry tomatoes for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 380 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: 20 min Cook: 30 min Serves 4 American cuisine 380 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 375°F (190°C). Arrange 4 halved bell peppers, cut-side up, in a baking dish. Set aside.
  2. Step 2: In a large bowl, toss 1 medium chopped zucchini, 1 cup halved cherry tomatoes, and 1/2 cup chopped red onion with 2 tbsp olive oil, 2 minced garlic cloves, 1 tsp dried oregano, and 1/4 tsp salt. Spread on a separate sheet pan and roast for 20 minutes until vegetables are tender and slightly caramelized.
  3. Step 3: In the same bowl, combine 1 cup cooked quinoa, roasted vegetables, and 1/4 tsp salt. Mix well until evenly distributed.
  4. Step 4: Spoon quinoa-vegetable mixture into the halved bell peppers, pressing gently to fill. Place back in the baking dish.
  5. Step 5: Bake for 25 minutes until peppers are tender and filling is heated through. Sprinkle with 2 tbsp chopped fresh basil before serving.

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Frequently asked questions

How long does Quinoa-Stuffed Bell Peppers with Roasted Vegetables take to make?

Total time is about 50 minutes (20 min prep + 30 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 Quinoa-Stuffed Bell Peppers with Roasted Vegetables?

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 cooked quinoa from drying out.

Can I substitute ingredients in Quinoa-Stuffed Bell Peppers with Roasted Vegetables?

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 Quinoa-Stuffed Bell Peppers with Roasted Vegetables 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 Quinoa-Stuffed Bell Peppers with Roasted Vegetables 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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