Quinoa-Stuffed Bell Peppers with Tomato Sauce

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Bell peppers filled with quinoa and vegetables, baked in a vibrant tomato sauce. This mediterranean-inspired vegetarian (gluten-free, vegetarian) ready in about 65 minutes blends large bell peppers, quinoa, cherry tomatoes into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 290 calories and feeds 4, so a small batch covers several meals across the week without taking over the fridge. 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.

★ 4.0 (9 ratings) Prep: 20 min Cook: 45 min Serves 4 Mediterranean cuisine 290 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 375°F (190°C). Cut tops off 4 large bell peppers and remove seeds. Place peppers upright in a baking dish and lightly brush insides with 1 tbsp olive oil.
  2. Step 2: Cook 1 cup quinoa according to package instructions. While quinoa cooks, chop 1 medium zucchini and 1/2 cup red onion, then sauté in 1 tbsp olive oil over medium heat for 5 minutes until softened.
  3. Step 3: Stir cooked quinoa, 1 cup cherry tomatoes, and 1 tsp dried oregano into the vegetable mixture. Divide filling evenly among pepper shells, then pour 1.5 cups tomato sauce around peppers.
  4. Step 4: Cover dish with foil and bake for 35 minutes. Remove foil and bake uncovered for 10 minutes until peppers are tender and sauce is bubbly.

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Frequently asked questions

How long does Quinoa-Stuffed Bell Peppers with Tomato Sauce take to make?

Total time is about 65 minutes (20 min prep + 45 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Quinoa-Stuffed Bell Peppers with Tomato Sauce?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Quinoa-Stuffed Bell Peppers with Tomato Sauce?

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 Tomato Sauce 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 Tomato Sauce gluten-free?

Yes — this recipe is tagged gluten-free, 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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