Beras Kencur (Javanese herbal decoction)

Ingredients:
Rice - 11/2 ounce
Kencur (galingale) - 11/2 ounce
Cardamoms - 6 pieces
Ginger - 1/2 ounce
Limes - 2 to 3
Tamarind - 1/2 ounce
Brown sugar - 1/2 kg
Salt to taste
Water - 4 litres
Directions:
Cook water along with brown sugar and tamarind. Cook until simmer while stirring well. Then add some salt and leave to cool and then filter.
Wash ginger and galingale, then peel and chop.
Wash the chopped ginger, galingale and cardamom with hot water, then blend with some fresh water. If they have been blended well, if not filter it and add directly into the tamarind-brown sugar mixture. Stir well.
You can serve it directly or you can store the mixture into a dry, clean bottle, then refrigerate.