Add large skillet to stove top on medium

Once skillet is hot, add oil. Cook onion and poblano pepper until onions are soft. Add garlic and cook for 2 minutes.

Set onion, poblano pepper and garlic mixture aside. Add sirloin to a large skillet. Cook until meat is browned. Drain grease.

Add all ingredients into a stock pot and cook on low-medium heat for 20-30 minutes.