A double boiler is a specialized set of pans consisting of a saucepan that holds hot water, and a bowl that fits securely over the saucepan.
Chop the chocolate into uniform pieces to ensure even melting. Place the chocolate in the top bowl.
Fill the saucepan with water upto an inch height. Place the bowl with chocolate on top and heat the sauce pan over low flame. Keep stirring using a spatula until the entire chocolate melts.