What is the procedure of finding which chocolate melt the fastest?

Place a tablespoon of each type of chocolate into Fill a bowl with boiling water, all the same temperaturesmall ziplock bags. Fill a bowl with boiling water from the kettle so its all the same temperature. Drop in the chocolate bags at the same time and observe them melting. Record when each type of chocolate become smooth and non-lumpy. Eat the chocolate afterwards or smear on biscuits.