Make a double boiler by placing this bowl on top of a pot of simmering water (ensuring the water doesn't touch the bottom of the top bowl). (downshiftology.com)
Over a double boiler *, preferably using a glass bowl over top of the pot as it heats more slowly, add the dark chocolate and cream for the filling. (strawberriesforsupper.com)
Melt the chocolate in a double boiler situation — I just placed a metal bowl filled with chocolate on top of a pot of boiling water. (spiceandsprout.com)