Six red bell peppers stuffed with seasoned ground turkey, red quinoa, mushrooms, and diced tomatoes, then baked until tender. The honest reason to make this: it’s a complete meal in one vessel — protein, grain, and vegetables — and the peppers hold their shape well enough that leftovers reheat cleanly the next day.
Smart swaps
- Red quinoa: Regular white or tri-color quinoa works exactly the same way here. Red quinoa holds its shape slightly better after baking, but the flavor difference is minor.
- 99% lean ground turkey: This is very lean — it can dry out faster than fattier ground meats. 93% lean ground turkey is a practical alternative and is easier to find. Ground chicken at 93% lean also works.
- Cremini mushrooms: White button mushrooms are a direct swap. Either way, slice them thin so they cook down fully into the filling.
- Pepper jack cheese: Any meltable cheese works — Monterey Jack, cheddar, or a Mexican blend. Skip the cheese entirely and the filling still holds together fine.
- No-salt-added diced tomatoes: If you can only find regular canned diced tomatoes, just reduce the added salt by about half a teaspoon and taste before filling the peppers.
Before you start
The two things that actually affect the outcome are cooking the quinoa before it goes into the filling, and getting the turkey fully cooked in the skillet before the peppers go into the oven. Ground turkey must reach 165°F (74°C) — use an instant-read thermometer in the thickest part of the filling once the peppers come out of the oven to confirm. Because 99% lean turkey has almost no fat, it can look done before it is; color alone is not a reliable indicator. Cook it through in the skillet, breaking it into small pieces as it browns, so you’re not relying on oven time to finish raw meat inside a stuffed pepper.
If something goes sideways
- Peppers tip over in the dish: Trim a thin slice off the bottom of each pepper to create a flat base. Don’t cut through — just enough to stabilize them.
- Filling tastes bland after baking: The filling is seasoned in stages, but baking can mute salt. Taste the filling before stuffing the peppers and adjust. A light sprinkle of salt on top of the cheese before baking also helps.
- Turkey filling is dry and crumbly: Very lean turkey dries out quickly over high heat. Keep the skillet at medium, not medium-high, and don’t overcook it before adding the tomatoes — the tomatoes add moisture back.
- Peppers are still firm after 45 minutes: Oven temperatures vary. Cover the baking dish tightly with foil and give them another 10–15 minutes. A fork should pierce the pepper wall with light pressure when done.
- Quinoa is mushy or waterlogged: This usually means it was cooked with too much water or not drained well. Cook it just to the point where the tails (the germ rings) appear and the water is absorbed, then fluff and let it sit uncovered for a few minutes before mixing into the filling.
Leftovers and meal prep
Stuffed peppers keep well in the fridge for up to 4 days in an airtight container. Reheat individual peppers in the microwave for 2–3 minutes, or cover the baking dish with foil and warm in a 325°F (165°C) oven for about 20 minutes. For freezing, let the peppers cool completely, wrap each one individually in plastic wrap, then place in a freezer bag — they’ll keep for up to 3 months. Thaw overnight in the fridge before reheating; don’t try to reheat from frozen or the pepper will turn to mush before the center is hot. If you want to get ahead, make the filling up to 2 days in advance and refrigerate it separately — stuff and bake the peppers fresh when you’re ready.
Red Quinoa & Ground Turkey Stuffed Bell Peppers
Equipment
Ingredients
- 1 cup red quinoa - 170g
6 medium red pepper (red capsicum) - organic
2 tablespoons olive oil - extra-virgin ; 30ml
1 medium yellow onion - diced- 10 ounces cremini mushrooms - sliced, 285g
2 cloves garlic - minced
1 pound ground turkey (minced turkey) - 99% lean, 450g- 1 can diced tomatoes - 14-ounce (400g), no salt added, drained
3 tablespoons tomato paste - 50g
1 ½ teaspoons cumin - ground ; divided- 2 teaspoons fine sea salt - divided, adjust to taste
1 teaspoon ground black pepper - divided, adjust to taste
1 teaspoon dried oregano
1 cup pepper jack cheese - shredded, optional, 115g
1 tablespoon parsley - fresh ; chopped, for garnish
Instructions
- Preheat the oven to 350°F / 175°C (180°C fan-forced).
- Prepare 1 cup of dried red quinoa per package directions (always rinse and drain your quinoa before adding to the pot to avoid bitterness). Set aside when finished.1 cup red quinoa
- Remove the stems from the bell peppers and run your knife along the inside of the peppers to remove the ribs (keep the bell peppers whole so that you can stuff them later). Stand all 6 peppers in a 9x13 inch (23x33cm) baking dish, or divide between two standard loaf pans (3 per pan). The peppers should fit snugly so they stay upright. Set aside.6 medium red pepper (red capsicum)
- Season the ground turkey; sprinkle 1 teaspoon of salt, 1 teaspoon of cumin, and 1/2 teaspoon of pepper all over the ground turkey. Set aside.1 pound ground turkey (minced turkey), 2 teaspoons fine sea salt, 1 1/2 teaspoons cumin, 1 teaspoon ground black pepper
- In a sauté pan, add olive oil over medium heat. Add the diced onion, 1/2 teaspoon of salt, 1/2 teaspoon of cumin, and 1/4 teaspoon of pepper and sauté for about 5 minutes. Add the mushrooms and the oregano and sauté for another 5 minutes until mushrooms reduce in size slightly.2 tablespoons olive oil, 1 medium yellow onion, 2 teaspoons fine sea salt, 1 1/2 teaspoons cumin, 1 teaspoon ground black pepper, 10 ounces cremini mushrooms, 1 teaspoon dried oregano
- Add the minced garlic, sauté for 1 minute, and then add the ground turkey. Cook, breaking the turkey into small crumbles with a wooden spoon, for 5-7 minutes until no pink remains and the internal temperature reaches 165°F / 74°C.2 cloves garlic, 1 pound ground turkey (minced turkey)
- Turn heat to low, add 3 tablespoons of tomato paste and stir until evenly incorporated. Add the diced tomatoes and stir to combine. Turn off heat and add the cooked quinoa into the pan, and once again, stir everything to mix well. Taste and adjust seasoning as needed — you may want an additional pinch of salt, cumin, or pepper. If you like heat, add a dash of hot sauce or a pinch of chilli flakes.3 tablespoons tomato paste, 1 can diced tomatoes, 1 cup red quinoa, 2 teaspoons fine sea salt, 1 1/2 teaspoons cumin, 1 teaspoon ground black pepper
- Stuff each bell pepper as much as possible, using the back of a spoon to press the filling down. Once each pepper is stuffed, place the dish into the oven and bake for 30 minutes or until the peppers are easily cut with a knife.6 medium red pepper (red capsicum)
- Once the 30 minutes are up, sprinkle a generous amount of cheese onto each pepper. Place under the broiler (grill) set to high, about 6 inches (15cm) from the heat source, for 2-3 minutes until the cheese is bubbly and golden. Watch closely to prevent burning. Sprinkle each pepper with fresh parsley and serve immediately.1 cup pepper jack cheese, 1 tablespoon parsley
Notes
Nutrition
Frequently asked questions
Do I need to pre-cook the bell peppers before stuffing them?
No — this recipe bakes the peppers raw, and 45 minutes at 350°F is enough to cook them through. Pre-cooking is sometimes done to speed things up, but it also makes the peppers softer and harder to handle when stuffing.
How do I know when the ground turkey is fully cooked?
Ground turkey is safe to eat at 165°F (74°C) — check with an instant-read thermometer inserted into the center of the filling once the peppers come out of the oven. Unlike beef, cooked turkey can still look slightly pink, so don’t rely on color alone.
Can I make this ahead and bake it the next day?
Yes. Stuff the peppers, cover the baking dish tightly with plastic wrap, and refrigerate for up to 24 hours before baking. Add 10 extra minutes to the bake time since the filling will be cold going into the oven.
My quinoa always turns out bitter — what am I doing wrong?
Quinoa has a natural coating called saponin that tastes bitter if not removed. Rinse it in a fine-mesh strainer under cold running water for about 30 seconds before cooking, even if the package says pre-rinsed.
What to cook next
- Spicy Beef Stuffed Peppers
- Southwestern Beef Rice Bake
- Tex-Mex Beef Casserole
- Hearty Beef Rice Casserole
