All you need to do is quarter a granny smith (do not de-seed) and pulverize it in the TM first then follow the other steps. The core especially of this apple is high in natural pectin which will set your jam no problems.The sauce you have is fantastic on BBQ meats! Been there done that on my first batch! Never again after this tip.Plum JamIngredients 1 green apple, quartered only, not cored 1 kg plums halved, seeds removed Flesh of 1 lemon and juice of another Roughly 600g raw sugarMethodPut a saucer in the freezer. Put apple in TM31, speed 9, 3secs. Place remaining ingredients in TM31 for 60min, 100°C speed 1-2. Then 30 min on Varoma, speed soft, with rice basket on top to prevent spitting. Put a tsp of jam on saucer, if it crinkles when touched it is set. Can always put back on for a couple of minutes at a time on Varoma setting till desired consistency is reached.To sterilise jars put jars and lids in a saucepan, cover with water and bring to boil. Boil for ten min, then place in fan forced oven for 10min, 120°C. Fill jars with jam and turn upside down for several minutes to seal them.Recipe contributed by Sarah Johnson