Jaggery derived from the sap of Date Palm Tree ( Khejur or Khajur Tree ) . The sap is collected from Date palm Tree and its cooked long ( by the confectioners who are basically farmers ) to change its transparent color to Burgundy Color and then it’s allowed to cool and solidify . The solidification process normally takes place in a earthen pot which enhances the flavor and gives longevity to product. Patali gur is a Bengal delicacy and well-known to the rest of the World. Its used to infuse flavor and taste to many desserts and also used in many confectionery items.