Baked Italian-Style Stuffed Bell Peppers with Quinoa and Mozzarella

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

Colorful bell peppers filled with a savory quinoa, tomato, and mozzarella mixture baked until tender and bubbling. This italian-inspired vegetarian ready in about 55 minutes pairs large bell peppers, quinoa, water 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 (8 ratings) Prep: 15 min Cook: 40 min Serves 4 Italian cuisine 320 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 375°F. Slice the tops off 4 large bell peppers, remove seeds and membranes, and set aside.
  2. Step 2: In a medium saucepan, bring 2 cups water to a boil. Add 1 cup rinsed quinoa, reduce heat to low, cover, and simmer for 15 minutes until water is absorbed and quinoa is fluffy. Remove from heat.
  3. Step 3: Heat 2 tbsp olive oil in a skillet over medium heat. Add 1 finely diced small yellow onion and sauté for 4-5 minutes until translucent. Add 2 minced garlic cloves and cook for 1 minute until fragrant.
  4. Step 4: Stir in 1 cup halved cherry tomatoes, 1 tsp Italian seasoning, 1 tsp salt, and 1/2 tsp black pepper. Cook for 3 minutes until tomatoes soften.
  5. Step 5: Combine the cooked quinoa with the sautéed vegetables and 1/4 cup chopped fresh basil in a bowl. Adjust seasoning if needed.
  6. Step 6: Stuff each bell pepper with the quinoa mixture, place upright in a baking dish, and top each with 1/4 cup shredded mozzarella cheese.
  7. Step 7: Cover with foil and bake for 25 minutes. Remove foil and bake for another 10 minutes until cheese is melted and peppers are tender.

Frequently asked questions

How long does Baked Italian-Style Stuffed Bell Peppers with Quinoa and Mozzarella take to make?

Total time is about 55 minutes (15 min prep + 40 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 Baked Italian-Style Stuffed Bell Peppers with Quinoa and Mozzarella?

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 large bell peppers from drying out.

Can I substitute ingredients in Baked Italian-Style Stuffed Bell Peppers with Quinoa and Mozzarella?

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 Baked Italian-Style Stuffed Bell Peppers with Quinoa and Mozzarella 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 Baked Italian-Style Stuffed Bell Peppers with Quinoa and Mozzarella 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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