The best replacement for lemon curd is lemon pie filling.

The best alternatives to lemon curd are rated as following:
★★★★★  lemon pie filling
★★  lemon pudding
★  lemon cream
★  lemon cheese
★  lemon butter
★  marmalade
★  lemon filling

Your alternative for lemon curd is not listed? Suggest!
Speaking about lemon curd, one probably shouldn't forget about mascarpone.

Other search terms related to lemon curd and their ratings are:
★★★★★ mascarpone
You have in mind a companion for lemon curd and it is not yet here? Propose!



Google Trends

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lemon curd
lemon pie filling
lemon pudding