Red Bean Paste

Chinese: 紅豆沙 (hong dao sa)Red bean paste is a very common sweet filling for many chinese buns and cakes.Easy to make but take a bit of time and patient.Ingredients:1lb or 450g Aduki bean or red bean (in chinese)about 2 litres water1 cup of sugar or more if you like it sweeter1 cup of cooking oil (don't skimp on the oil or the bean paste will taste sandy and look crumbly, for traditional recipe