In a large pot add the olive oil and sauté onions until they begin to soften.
Add garlic and chopped peppers (bell and jalapeno). Cook 3-4 minutes.
Add ground beef and cook until browned, breaking up as it cooks. Add chili powder, cumin, and paprika. Mix well.
Add tomato, corn, and black beans. Stir to combine.
Add beef stock. Cover and reduce heat to medium. Simmer 15-20 minutes.
Serve topped with avocado, sour cream, and tortilla chips, if desired.