Heat oil in soup pot over medium heat

Add onion and cook until soft, about 10 minutes.

Add garlic, Serrano chile, cumin, black pepper, and salt.

Cook until fragrant, 1 to 2 minutes.

Add tomatoes, potatoes and broth.

Cook over medium to medium low heat, until potato is soft, about 40 minutes.

Add corn, bell peppr and quinoa.

Cook, stirring occasionally, until quinoa begins to soften, about 8 minutes.

Add parsley, cilantro and lime juice just before serving.