Heat Olive oil. Add onion and saute for 5-6 min. Add quinoa and toast for 4 min.
Add broth, black beans and garlic and bring to a boil. Cover and simmer until quinoa is tender. Add spices. Puree with a hand blender and return soup to pan. Add cilantro, lime juice and salt. Top with tortilla chips, cheddar cheese and yogurt.