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)
Place bowl over the pot of water, careful that the water does not touch the bottom of the bowl. (honestcooking.com)
Be careful not to fill the bottom pot to the point where the water touches the bottom of the top pot as this can cause your chocolate to burn. (caitliniles.ca)