In a large pot, heat the olive oil over medium-high heat. Add the onions and garlic and sauté until the onions are translucent, about 5 minutes.
Add the vegetable broth, quinoa, carrots, celery, corn, peas, thyme, oregano, black pepper, and red pepper flakes to the pot. Bring to a boil, then reduce the heat to low and simmer for 25 minutes, or until the quinoa is cooked through.
Stir in the heavy cream and cook for an additional 5 minutes.
Serve the soup hot.
Interesting Facts
Quinoa is a complete protein, meaning it contains all nine essential amino acids.
This soup is a great way to get your daily dose of vegetables.
This soup can be made vegan by omitting the cream.