To marinate
Mix the jam, oil, garlic and rosemary. Brush the spare ribs with the mixture, cover and leave to marinate in the fridge for approx. 12 hrs.
Charcoal/gas/electric grill
Wipe the marinade from the meat and set aside. Salt the meat, place on a grill tray, grill the ribs over/on a medium heat (approx. 200 °C for approx. 50 mins. all over. Brush the meat every so often with a little of the reserved marinade and turn.