Yellow Citrus Fruit Topping Used in Desserts

This page is the CodyCross answer for the clue below from Science Lab, Group 315, Puzzle 4 (Dmitri Mendeleev).

Question is: Yellow Citrus Fruit Topping Used in Desserts

and the answer is: LEMONCURD

Word Meaning:

LEMON CURD — A thick preserve made from lemons (juice and zest), egg yolk, butter and sugar.

Definitions from Wiktionary.