Which place is the flavorful snack of asparagus jelly? How to make it at home?

Earth bamboo shoots jelly, is Xiamen unique flavor, belongs to the Xiamen traditional snacks. Before cooking, first from the sand caught out of the live earth bamboo shoots put up for a day, spit out the debris, and then with a mallet constantly grinding, so that it rolled out all the viscera and debris, and then into the water, the body of the soil rinsed clean, was bright white when fishing up. Take cool well water, and earth bamboo shoots with boiling, the collagen on the body dissolved into the boiling water into a sticky paste, sheng out of the respectively set into a small calabash, cooled into a jelly, that is? The earth bamboo shoots jelly? , placed in the refrigerator, frozen and eaten.