Add quinoa to small pot over medium heat.
Add 2 cups of water and bring to a simmer.
Cover and lower heat to low, simmering until all water is absorbed and quinoa is cooked, about 12-15 minutes. Set aside.
In large soup pot, add olive oil over medium heat.
Add onion, red bell pepper, and green bell pepper, cooking until tender, about 5-7 minutes.
Add sweet potatoes, cooking another 5 minutes.
Add spices, beans, tomatoes, tomato sauce, and cooked quinoa.
Add 1 cup of water and season with salt and pepper.
Bring to a boil and let simmer for 20-30 minutes, until sweet potatoes are tender.
Add additional cup of water if it seems too thick.
Top with cheese, sour cream/greek yogurt, avocado, and green onions.
Enjoy!