The best replacement for meringue is pavlova.

The best alternatives to meringue are rated as following:
★★★★★  pavlova
★★★★★  italian meringue
★★★★★  macaroon
★★★  buttercream
★★★  curly pudding
★★★  whipped cream
★★  swiss meringue
★★  lemon chiffon
★★  french meringue
★  common meringue
★  cool whip on banana pudding
  merengue
  italian
  key lime

Your alternative for meringue is not listed? Suggest!
Speaking about meringue, one probably shouldn't forget about cream of tartar.

Other search terms related to meringue and their ratings are:
★★★★★ cream of tartar
★ marshmallow creme
★ meringue powder
cream of tarter
blowtorch
You have in mind a companion for meringue and it is not yet here? Propose!



Google Trends

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meringue
pavlova
italian meringue