Stuffed Bell Pepper with Ground Beef & Quinoa
One bell pepper. One skillet. Everything cooks down together — quinoa in broth, browned beef, a hit of cumin — then gets packed into the pepper and baked until tender.
That is the entire recipe. 580 kcal and 31g of protein from a single stuffed pepper, no side dishes, no complicated assembly. The quinoa absorbs the vegetable broth and cumin while it simmers, so by the time it goes into the pepper, every grain already carries the flavor.
Ingredients
- bell pepper 1
- quinoa 84 g
- onion 0.25
- garlic 1 clove
- olive oil 15 ml
- 96% lean ground beef 84 g
- vegetable bouillon 0.5 cube
- water 119 ml
- ground cumin 2 g
Method
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Preheat oven to 400°F (210°C).
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Cut off the top of the bell pepper and remove the seeds and white membranes. Rinse the quinoa under cold water. Dice the onion and mince the garlic.
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In a skillet, heat the oil and cook the ground beef over medium heat until browned. Add the onion and garlic to the skillet. Sauté until the onion is translucent and fragrant.
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Dissolve the bouillon cube in water to make broth.
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Stir in the quinoa, vegetable broth, ground cumin, salt and pepper. Bring to a boil. Reduce heat to low, cover the skillet and simmer for about 10 minutes.
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Stuff the bell pepper with the quinoa and ground beef mixture.
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Place the stuffed bell pepper in a baking dish and bake for 15 minutes until the bell pepper is tender.
Sauté the garlic and onion before adding the quinoa to the skillet. Allium compounds in garlic and onion form soluble bonds with iron and zinc from grains like quinoa, helping your body absorb more of those minerals. Cooking them together in the same pan maximizes the contact.
Why This Works
Behind this recipe
Is quinoa a complete protein?
Yes. Quinoa provides all nine essential amino acids, which is unusual for a plant food. In this recipe it works alongside ground beef, so your protein comes from both a plant and an animal source. Research comparing the two found that plant protein produces equivalent muscle growth to animal protein when total intake is matched. With 31g of protein from both sources combined, this meal covers that comfortably.
Read the full evidence reviewCan I use rice instead of quinoa?
You can, but two things change. First, the protein drops because quinoa has roughly twice the protein of white rice per gram. Second, the fiber drops from 7g to around 3g. If you swap, brown rice is a closer match nutritionally. Keep the same volume and adjust the broth-to-grain ratio if needed because rice absorbs liquid differently than quinoa.
Does baking the bell pepper destroy the vitamin C?
Some of it, yes. Vitamin C breaks down with heat, and 15 minutes at 210°C will reduce the amount. But bell peppers start with more vitamin C per gram than oranges, so even after baking, a meaningful amount survives. That remaining vitamin C helps your body absorb the non-heme iron from the quinoa more efficiently.
