Wash the chicken fillets, dab dry and cut into bite-sized cubes. Heat the oil in a large flat pan and fry the meat in it in portions. Remove, season with salt and pepper and set aside.
Peel and finely dice the onion and sauté in the frying fat until golden brown. In the meantime, peel and wash the potatoes and cut them into medium-sized pieces. Dust onion with paprika and add tomato paste. Add tomatoes, potatoes, chilli and bay leaf and simmer for about 20 minutes.
In the meantime, rinse and drain the beans. Wash, clean and dice the peppers. Add the beans and peppers to the chilli about 10 minutes before the end of the cooking time. Season chilli with salt, nutmeg and vinegar.
Add chicken cubes and heat for about 5 minutes. Arrange chili con chicken in small bowls. Tortilla chips taste good with it.