These vegetarian stuffed peppers are nutritious and flavorful, filled with quinoa, vegetables and southwestern spices. If you want a reliable quinoa stuffed peppers recipe for your next vegetarian dinner, this tested version delivers.

Table of Contents
- Tested & Perfected Vegetarian Stuffed Peppers
- Vegetarian Stuffed Pepper Ingredients
- How to Make Quinoa Stuffed Bell Peppers
- FAQs
- Storage Instructions
- More Vegetarian Dinner Recipes:
- Quinoa Stuffed Bell Peppers Recipe
Tested & Perfected Vegetarian Stuffed Peppers
Stuffed peppers were a regular on my family’s table, typically with ground beef. This vegetarian version swaps the meat for quinoa, which is actually a complete protein and provides a satisfying, nutritious filling. The result is a hearty, adaptable dish that’s great for weeknight dinners or meal prep.
The recipe is easy to customize—swap beans, cheese or spices to suit your taste—and it reheats well. Follow the steps below for consistent results.
Vegetarian Stuffed Pepper Ingredients
- Bell peppers – any color; pre-roasting gives the best texture and flavor.
- Olive oil – for cooking; avocado oil is a fine substitute.
- White quinoa – rinsed; you can use other quinoa types but adjust cooking time if needed.
- Vegetable stock – or water.
- Yellow onion – chopped; other onions work too.
- Pinto beans – drained and rinsed; black beans or other canned beans are fine.
- Cherry tomatoes – halved; about 2 cups per pint.
- Spices – chili powder, garlic powder, cumin, salt and pepper.
- Lime – juiced for brightness.
- Shredded mozzarella – or shredded cheddar, pepper jack or Monterey jack.
- For serving – chopped cilantro and sliced avocado, optional.
How to Make Quinoa Stuffed Bell Peppers
STEP 1: ROAST THE BELL PEPPERS
Preheat oven to 425°F. Slice bell peppers in half lengthwise and remove seeds and membranes. Arrange halves, cut side up, in a 9×13-inch baking dish or on a lined sheet pan. Drizzle with 1 tablespoon olive oil and sprinkle with salt. Roast for about 20 minutes, until tender.

STEP 2: COOK THE QUINOA
While the peppers roast, combine rinsed quinoa and vegetable stock (or water) in a pot and bring to a boil. Reduce to a simmer, cover and cook 15 minutes. Remove from heat and keep covered for 5 more minutes, then fluff with a fork and set aside.

STEP 3: SOFTEN THE VEGGIES
In a skillet over medium heat, warm the remaining 1 tablespoon olive oil. Sauté chopped onion until translucent, about 3–5 minutes. Stir in the cooked quinoa, drained pinto beans, halved cherry tomatoes and spices (chili powder, garlic powder, cumin, salt and pepper). Squeeze the lime over the mixture and combine thoroughly.

STEP 4: STUFF THE PEPPERS
Divide the quinoa mixture evenly among the pepper halves (this recipe fills about 6–8 halves depending on pepper size). Top each with shredded mozzarella or your preferred cheese.

STEP 5: BAKE THE STUFFED PEPPERS
Bake 10–15 minutes or until the cheese is melted and golden. Finish with chopped cilantro and sliced avocado if desired. Serve warm.

FAQs
Yes. Any color works—red peppers are the sweetest while green are more mild, but all roast nicely and hold the filling well.
Yes. Omit the cheese or use a plant-based shredded cheese to keep them vegan.
Absolutely. Shredded cheddar, pepper jack or Monterey jack melt well and offer different flavor profiles.
Yes. Black beans, cannellini or any canned beans work as substitutes.
Leftover filling is great served on the side, tossed into a salad or reheated as a quick grain bowl.
Storage Instructions
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave, oven or air fryer until warmed through.
Freezer: Freeze in a freezer-safe container for up to 3 months. Thaw overnight in the refrigerator and reheat in a 350°F oven for 10–20 minutes until heated through.

More Vegetarian Dinner Recipes:
- Crispy Cauliflower Tacos
- Mediterranean Orzo Salad
- White Bean Chili
- Vegan Mushroom Stroganoff
- Healthy Veggie Chili
Quinoa Stuffed Bell Peppers
These vegetarian stuffed peppers are packed full of nutrition with quinoa, veggies and a blend of southwestern spices. If you’re looking for a tested and perfected quinoa stuffed peppers recipe look no further than these for your next vegetarian dinner!
- Author: Davida Lederle
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Total Time: 40 minutes
- Yield: 4 servings
- Category: Dinner
- Method: Cook
- Cuisine: Southwestern
- Diet: Vegetarian
Ingredients
- 4 medium (or 3 large) bell peppers, any color
- 2 tbsp olive oil, divided
- 1/2 cup white quinoa, rinsed and drained
- 1 cup vegetable stock (or water)
- 1/2 yellow onion, chopped
- 1 (15-oz) can pinto beans, rinsed and drained
- 1 dry pint cherry tomatoes, halved
- 1 tsp chili powder
- 1/2 tsp garlic powder
- 1/2 tsp ground cumin
- 1/2 tsp salt and a pinch of black pepper
- Juice of 1 lime
- 3/4 cup shredded mozzarella
- 2 tbsp chopped fresh cilantro
- Optional: 1 sliced avocado
Instructions
- Preheat oven to 425°F.
- Slice bell peppers in half lengthwise and remove seeds and membranes.
- Place pepper halves, cut side up, in a 9×13-inch baking dish or on a lined sheet pan.
- Drizzle with 1 tbsp olive oil and a pinch of salt. Roast for 20 minutes or until tender.
- Meanwhile, bring quinoa and vegetable stock (or water) to a boil. Reduce to a simmer, cover and cook 15 minutes. Remove from heat and keep covered 5 minutes, then fluff.
- Heat the remaining 1 tbsp olive oil in a skillet over medium heat.
- Sauté chopped onion until translucent, about 3–5 minutes.
- Stir in cooked quinoa, pinto beans, cherry tomatoes and spices. Squeeze lime juice over the mixture and combine.
- Spoon the quinoa mixture into the roasted pepper halves and top with shredded mozzarella.
- Bake 10–15 minutes until cheese is melted and golden.
- Garnish with cilantro and sliced avocado if desired, then serve.
Notes
Depending on pepper size, you may have extra filling. Save leftovers to serve alongside the peppers or enjoy as a grain bowl.
