On medium heat, add olive oil to a pot. Once warm, add the minced beef, garlic, onion and red pepper. Fry until the beef is partially cooked.
Add the pearl barley and beef stock to the pot. On low heat, cook for 25 minutes occasionally stirring. Add the quinoa and continues stirring occasionally for 10 minutes.
Add the remaining ingredients. Stir until pearl barley is light and fluffy.
Garnish with cheese and parsley or cilantro.