Boil the Coca Cola in a large pan without stirring. Turn down the heat and reduce to approx. 3 tbsp. Add the soy sauce and all the other ingredients up to and including the salt, simmer for approx. 15 mins., leave to cool.
Brush the spare ribs with 3/4 of the marinade, cover and allow to marinate for approx. 1 hr. Set aside the remainder of the marinade. Place each spare rib on a sheet of foil. Fold the foil to form a parcel.
To grill the peaches
Remove from the grill, remove the foil, brush with the reserved marinade. Grill the spare ribs over/on a medium heat (approx. 200 °C for approx. 7 mins. on each side.
Place the apple slices in a bowl, add the remaining ingredients and mix well. Serve with the spare ribs.