Put the icing ingredients into a saucepan, heat until melted then pour over the slice while still hot, and cut into squares before it gets cold.
(it; gets; cold) (heat; pour; over the slice; T:while still hot; T:Put the icing ingredients into a saucepan; T:until melted; T:then) (heat; cut; into squares; T:before it gets cold; T:then)
it heat heat
gets pour cut
cold
over the slice T:while still hot T:Put the icing ingredients into a saucepan T:until melted T:then
into squares T:before it gets cold T:then