Noun
two saucepans, one fitting inside the other
Source: WordNetMelt the chocolate in the filtered water either in a double boiler or by microwaving the chocolate and water in a large, covered microwavable bowl on high for 45 seconds, then stirring, or until chocolate is almost melted. Source: Internet
Alternatively, melt the chips and oil in a double boiler. Source: Internet
Bring the water of a double boiler or Bain Marie to a boil, and turn down the heat, keeping the water just below a simmer. Source: Internet
Combine all the ingredients in a double boiler, or in a large metal bowl set over a sauce pan with simmering water in it. Source: Internet
Fill the bottom part of the double boiler with water. Source: Internet
For the topping, melt chocolate with shortening by heating for 20-30 second intervals on 50% power in your microwave, stirring after each round, or use a double boiler. Source: Internet