Write the next sentence in the following story.

How to make sumptuous snow white delight
Place an 18 centimeter (7.1 in) loose-bottomed cake tin on a sheet of grease proof paper and draw around it.
Cut the circle out. Dip a piece of kitchen towel into a little butter and rub it inside of the tin, then pop the paper circle into the base of the tin.
Break the chocolate into a saucepan, then add the butter and condensed milk. Melt these ingredients on a low heat.