Put the papaya paste and vinegar in a large bowl, season with salt and mix well.
Add the meat and mix until it is evenly coated in the mixture. Cover and allow to stand in the refrigerator for at least 30 minutes.
Put all the ingredients for the marinade in a large bowl or shallow dish, season with salt, and mix well.
Add the meat and mix until it is evenly coasted. Cover and allow to marinate in the refrigerator overnight.
Heat the oil or ghee in a very shallow or wide flat pan. Add the meat, together with the marinade, and cook over low-medium heat, turning frequently with a spatula, for about 15 minutes, or until cooked and very little moisture remains.