What is the fine-grained topic of the following text: WHEAT Flour (With Calcium, Iron, Niacin, Thiamin), Sugar, Rapeseed Oil, Water, Icing Sugar, Humectant (E422), Dried EGG Powder, Lemon Peel (2%), Modified Maize Starch, Raising Agents (E450(I), E501(Ii)), Natural Sicilian Lemon Flavouring, Emulsifiers (E475, E481), Lemon Juice, WHEAT GLUTEN, Salt, Thickener (E415), Preservative (E224). Only return the topic.
Ingredients of a lemon-flavored food product