The recipe i use is 750g – 1kg of fresh ginger, skin and purÃ©ed in a food processor. Add say 500g of lactose. 2 lemons, chopped, skin and all. 8 cloves, 1 cinnamon stick. Boil all this up in about 4L of water for an hour and strain into fermenter. Add the dextrose, top up to 23L, stir in a yeast (ale or cider) and bottle immediately. Should be carbed up in 2 weeks.