Slow Cooker Quinoa-Stuffed Red Peppers, Vegan
Ardei umpluti (Romanian stuffed peppers) meet plant-based comfort in this Crock-Pot version. Bell peppers are halved, seeded, and filled with fluffy quinoa, red beans, tomato paste, and warm spices—cumin, chilli, and garlic—then slow-cooked until tender. This fasting-friendly dish (de post means meatless) delivers hearty texture from the grains and legumes, balanced by bright parsley and optional vegan cheese. Perfect for anyone seeking easy, hands-off cooking that still impresses. Serve as a main course for weeknight dinners or meal prep, or as part of a larger spread. The slow cooker method lets flavors meld gently without scorching, making it forgiving and deeply satisfying. This version skips meat entirely while keeping the soul of the Romanian classic.
Ingredients
- 4 red bell peppers, halved and seeded
- 7 oz quinoa, uncooked
- 1 can red beans, drainedchickpeas1:1legumes
adds fiber, milder flavor
- 1 onion, finely minced
- 4 tablespoons tomato paste
- 1 teaspoon ground cumin
- 1 teaspoon chilli powder
- 1 teaspoon granulated garlic
- salt, to taste
- 1 ¾ cups vegan cheese, shredded(optional)
- fresh parsley, chopped
- water, for cooking
Instructions
- 1
Cut off pepper tops and remove seeds and membranes.
- 2
In a bowl, combine uncooked quinoa, red beans from the can, tomato paste, finely minced onion, cumin, chilli, granulated garlic, salt, and a handful of shredded vegan cheese.
- 3
Stuff each pepper with the quinoa mixture.
- 4
Place filled peppers in the ceramic vessel of the slow cooker.
- 5
Pour water around the peppers.
- 6
Set the slow cooker to HIGH and cook for 4 hours.
- 7
Remove the lid, sprinkle additional vegan cheese and fresh chopped parsley over the peppers.
Tips
Drain and rinse canned beans thoroughly before mixing; this removes excess sodium and starch, preventing the filling from becoming mushy or overly thick during the long cook.
Use uncooked quinoa directly—it absorbs liquid from the peppers and beans as it slow-cooks, reaching perfect tenderness without pre-soaking or separate cooking.
Layer peppers upright or slightly tilted in the cooker so they cook evenly and stay upright; if too crowded, stack carefully or use a smaller batch.
Good to Know
Keep covered in the refrigerator up to 4 days. Reheat gently in the slow cooker on LOW or in a 350F oven covered with foil.
Assemble stuffed peppers up to 12 hours ahead; store covered in the slow cooker insert in the fridge. Add water and cook on HIGH when ready (may add 30-60 minutes to cook time from cold).
Serve hot as a main course, alone or with crusty bread and a green salad. Pairs well with steamed broccoli or roasted root vegetables.
Common Mistakes
Overstuff peppers with filling to avoid rupturing or uneven cooking; leave 1/4 inch headspace.
Skip rinsing canned beans to avoid mushy, overly soft filling after 4 hours of slow cooking.
Add water too little to avoid peppers drying out or sticking to the bottom of the ceramic insert.
Substitutions
Dairy-Free Swaps
General Alternatives
FAQ
Can I use cooked quinoa instead of uncooked?
Yes, but reduce slow-cook time to 2-2.5 hours on HIGH. Pre-cooked quinoa will absorb less liquid, so the filling may be drier. Monitor closely to avoid overcooked peppers.
What if I don't have a slow cooker?
Bake covered in a 350F oven for 45-60 minutes until peppers are tender. Add 1 cup water to the baking dish, cover tightly with foil, and check halfway through. Ensure quinoa is cooked before assembling.
How long do slow cooker stuffed peppers keep in the fridge?
Up to 4 days in an airtight container. Freeze for up to 3 months. Thaw overnight in the fridge and reheat gently to avoid mushiness.