Heat the oil in a sauté pan over medium-high heat. Add the onion and capsicum and cook for 3-4 minutes until softened. Add the beans, break up with a fork then stir in the spices, dried oregano and salt and pepper and cook for a further minute. Add the tomato paste, along with stock. Once boiling, turn to low and cook for 20 minutes until thick and rich.
Cook franks as per packet instructions.
Fill warmed hot dog buns with cheese, chilli beans, franks, sour cream and jalapenos.