Heat a large skillet over medium-high heat. Add 2 tablespoons of olive oil and buffalo meat and season with salt and pepper.
Brown meat until cooked through, then remove from skillet and set aside.
In a large stock pot over medium heat, place remaining 2 tablespoons of olive oil, red and green peppers, onion, jalapeño and garlic.
Cook for 8 to 10 minutes until onions are tender. Add chili powder, onion powder, garlic powder and cumin and cook for 1 to 2 more minutes to toast spices.
Add tomatoes, Florida Orange Juice, oregano, chipotle peppers, cornmeal and Florida Orange zest. Cook over medium-low heat for 45 minutes.
Serve chili in bowls and top with cheddar cheese and sour cream.