40-Minute High Protein Stuffed Peppers

These high protein stuffed peppers are loaded with seasoned ground turkey, quinoa, black beans, and a golden cap of melted cheese. They come together fast enough for a weeknight and leave you full without the heavy feeling.

The peppers turn tender while the filling stays moist and savory. Every bite has a mix of chew, creaminess, and just the right amount of spice.

Why These Stuffed Peppers Stay on Repeat

The filling has a lot going on, texture wise. The quinoa adds chew, the beans give creaminess, and the turkey brings a deep savory note that doesn’t need any fancy sauce.

And because everything is measured for one pan, the leftovers are just as good the next day. Lunch is already handled.

Ingredients

• 4 large bell peppers, any color: halved lengthwise, seeds and ribs removed
• 1 lb ground turkey: 93% lean keeps it moist without being greasy
• 1 cup cooked quinoa: from about 1/3 cup dry, or use a microwave pouch to save time
• 1 (15 oz) can black beans: drained and rinsed
• 1 cup shredded Mexican blend cheese: divided
• 1 small onion: diced
• 2 cloves garlic: minced
• 2 tbsp tomato paste
• 1 tbsp chili powder
• 1 tsp ground cumin
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1 tbsp olive oil, plus a little more for brushing the peppers

Variations / Substitutions

• Change the protein: Ground chicken or extra-lean ground beef both work. Drain any fat before adding the seasonings.
• Go vegetarian: Skip the turkey and use an extra can of black beans plus 1 cup cooked lentils or crumbled firm tofu.
• Dairy-free: Use your favorite plant-based shredded cheese or just skip the cheese and broil the tops with a drizzle of olive oil.
• More heat: Add a diced jalapeño with the onion or stir in a spoonful of chipotle in adobo with the tomato paste.

For another high protein dinner idea, try my Turkey Taco Skillet.

How to Make High Protein Stuffed Peppers

Step 1: Halve and Par-Bake the Peppers

Preheat the oven to 400°F (200°C). Cut the 4 bell peppers in half lengthwise and scoop out the seeds and any pale inner ribs. Brush the cut sides lightly with olive oil, then place them cut side down on a rimmed baking sheet. Bake for 10 minutes, until they soften just a bit at the edges.

This head start means the peppers won’t be raw and crunchy later. They still hold their shape perfectly for stuffing.

Step 2: Sauté the Turkey Filling

Warm 1 tablespoon olive oil in a large skillet over medium heat. Add the diced onion and cook, stirring occasionally, for about 4 minutes until it starts to look translucent. Toss in the 2 minced garlic cloves and cook 30 seconds more. Add the 1 pound ground turkey, breaking it up with a spoon, and cook until no pink remains, about 6 minutes.

Stir in the 2 tablespoons tomato paste, 1 tablespoon chili powder, 1 teaspoon cumin, 1/2 teaspoon salt, and 1/4 teaspoon black pepper. Let it coat the meat for a minute. Then add the 1 cup cooked quinoa and the drained black beans. Cook another 2 minutes just to heat everything through. Remove the pan from the heat and fold in 1/2 cup of the shredded cheese. The filling should be moist but not soupy. If it looks dry, a splash of water or broth helps.

Step 3: Stuff the Peppers

Take the baking sheet out of the oven and flip the peppers so their cut sides face up. Spoon the filling evenly into each pepper half, pressing it in gently and mounding it a little on top. Sprinkle the remaining 1/2 cup cheese over the mounds.

A little mound gives more surface area for the cheese to melt and looks nicer on the plate.

Step 4: Bake and Broil

Slide the baking sheet back into the 400°F oven and bake for 15 minutes. The peppers should be fork-tender and the filling hot all the way through. Switch the broiler to high and broil for 1 to 2 minutes, just until the cheese turns bubbly and lightly browned in spots. Watch it closely because it goes from golden to burnt fast.

Pull the pan out and serve the peppers hot, right from the sheet. The cheese on top will be gooey with a few crisp edges.

Tips for Perfect Stuffed Peppers

• Use pre-cooked quinoa: A microwaveable pouch cuts the hands-on time to almost nothing. Just measure out 1 cup after heating.
• Stabilize wobbly peppers: If a pepper half rocks on the pan, slice a tiny sliver off the bottom so it sits flat. You won’t taste the difference.
• Watch the broiler: The melted cheese can go from beautifully blistered to bitter in less than a minute. Keep the oven light on and don’t walk away.
• Leftover filling hack: If you end up with extra filling, spoon it into a warm tortilla with a little extra cheese for a quick lunch quesadilla.

Bake times by pepper size:

Storing and Reheating Leftovers

• Refrigerate: Cool the peppers, then store them in an airtight container for up to 4 days.
• Reheating: Pop a pepper or two in the microwave until hot, about 2 to 3 minutes, or reheat in a 350°F oven for 10 minutes.

What to Serve with High Protein Stuffed Peppers

A crisp cucumber and tomato salad with a squeeze of lime cuts through the richness of the cheese. Sliced avocado or a spoonful of guacamole on the side adds creaminess without doing any extra work. Steamed green beans tossed with a little garlic butter round out the plate nicely.

Frequently Asked Questions

Can I use ground beef instead of turkey?

Yes. Choose 90% lean or leaner and drain any excess fat after browning so the filling isn’t greasy.

Can I make these ahead of time?

Yes. Assemble the stuffed peppers completely, then cover and refrigerate them unbaked for up to 24 hours. Add about 5 extra minutes to the bake time when you cook them.

How do I know when the peppers are done?

The pepper walls should feel fork-tender with no hard resistance. The filling temperature at the center should read around 165°F if you check it with an instant-read thermometer.

Can I freeze stuffed peppers?

Absolutely. Freeze the assembled but unbaked peppers on a tray until firm, then wrap each one tightly. Bake straight from frozen at 400°F for about 40 to 45 minutes, adding the cheese in the last 5 minutes.

High Protein Stuffed Peppers Recipe

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 25 minutes mins

Total Time 40 minutes mins

Servings: 4 servings

Calories: 444

Ingredients Method Notes

Ingredients

  

• 4 large bell peppers, any color
• 1 lb ground turkey (93% lean)
• 1 cup cooked quinoa
• 1 (15 oz) can black beans, drained and rinsed
• 1 cup shredded Mexican blend cheese
• 1 small onion, diced
• 2 cloves garlic, minced
• 2 tbsp tomato paste
• 1 tbsp chili powder
• 1 tsp ground cumin
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1 tbsp olive oil, plus more for brushing

Method

 

1. Preheat oven to 400°F (200°C). Halve the peppers, remove seeds and ribs, brush cut sides with oil, and bake cut side down for 10 minutes.
2. Sauté onion in 1 tbsp oil for 4 minutes, add garlic for 30 seconds, then brown the turkey. Stir in tomato paste, chili powder, cumin, salt, pepper, quinoa, and beans. Cook 2 minutes, then fold in 1/2 cup cheese off heat.
3. Flip peppers cut side up. Divide the filling among them and top with the remaining 1/2 cup cheese.
4. Bake at 400°F for 15 minutes, then broil on high for 1 to 2 minutes until the cheese is bubbly and golden. Serve hot.

Notes

If using a pre-cooked quinoa pouch, the prep time stays the same. For make-ahead stuffed peppers, assemble and refrigerate for up to 24 hours before baking. Add 5 minutes to the bake time if they go into the oven cold from the fridge.