Marinate the diced turkey for 3 hours in the other ingredients.
For the sauce: Chop the peanuts in a blender or food processor. Gently fry the onions and add all the ingredients. Allow it to simmer for 10-15 minutes or until it has reduced and thickened.
Take the turkey and drain off as much of the marinade as you can. Grill or griddle and skewer them. Serve with the sauce.