In a medium sauce pot over a medium heat, add oil, garlic and onion. Cook until onion starts to become translucent.
2. Step
Add tomatoes, green chiles, black beans, corn, salt, pepper, oregano, cumin, and chili powder. Cook until all ingredients are heated through, stirring occasionally.
3. Step
Add broth, stir and bring to a simmer.
4. Step
Add chicken and allow to heat through.
5. Step
Serve with a sprinkle of tortilla strips and cilantro.