The best replacement for icing is frosting.

The best alternatives to icing are rated as following:
★★★★★  frosting
★★★  buttercream
★★  heating
★★  fondant
★★  glaze
★  icing
★  claires
★  offsides
★  sugar cookies
★  claire's
  frosting for sugar cookies
  frosting difference
  buttercream icing
  clear icing
  whipped icing
  color flow
  whipped
  corn syrup icing
  meringue

Your alternative for icing is not listed? Suggest!
Speaking about icing, one probably shouldn't forget about confectioners sugar.

Other search terms related to icing and their ratings are:
★★★★★ confectioners sugar
★★★★ meringue powder
★★ food coloring
★ icing sugar
★ fondant
sugar recipe
melted chocolate
piping bag
You have in mind a companion for icing and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of icing in all years. Click on graph for more.
icing
frosting
buttercream