Peel and chop the onions and garlic. Clean, wash and roughly dice the peppers. Clean the celery (putting the greenery aside), wash and cut into slices about 1 cm wide.
Wash the chicken filet, dab dry and cut into 3 pieces each. Mix 2 tablespoons of olive oil with 1 teaspoon each of salt and paprika powder and mix the chicken pieces with it.
Heat 3 tablespoons of oil in a large pot. Brown the chicken pieces in it all around. Add onions, garlic, paprika and celery and continue to fry for about 5 minutes. Pour on the cider. Add baked beans, chunky and strained tomatoes and bring everything to the boil. Cover and simmer at medium heat for about 10 minutes.
Season the stew with salt, pepper and 1 pinch of sugar. Chop the celery green roughly, sprinkle on the stew. Serve with naan or flat bread.