To make Dulche de leche at home : Place the sealed can of condensed milk in a pressure cooker (remove plastic cap if you are using amul Mitahi mate) Fill the cooker with water so that the can is submerged in it and the water in just about an inch over the can.
Cover the cooker, place the whistle and cook for 2 whistles and then on sim for about 40 minutes to get thick consistency and dark colour of the dulche de leche.
Let the can cool completely before opening it.
Once open, refrigerate the can and use asrequired