Quinoa-Stuffed Bell Peppers with Tomato Sauce

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

Bell peppers filled with quinoa and vegetables, baked in a vibrant tomato sauce. This mediterranean-inspired vegetarian (gluten-free) 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.

Prep: 20 min Cook: 45 min Serves 4 Mediterranean cuisine 290 cal/serving
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Ingredients

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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.

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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