Vanilla custard slice

61% Custard (Water, Cream (Milk), Skimmed Milk, Vegetable Oil [Palm, Palm ke Sugar, Maize Starch, Emulsifier: Mono - and Diglycerides of Fatty Acids; Whey Powder (M Full Cream Powder (Milk), Coconut Oil, Gelling Agents: Calcium Sulphate, Sodium Phosphates, Diphosphates; Glucose Syrup, Thickener: Sodium Alginate; Preservative: Potassium Sorbate, Milk Protein, Natural Vanilla Flavouring, Colour: Annatto Norbixin), 25% Puff Pastry (Wheat Flour [Wheat Flour, Calcium Carbonate, Iron, Niacin, Thiamin), Water, Palm Oil, Rapeseed Oil, Salt, Emulsifier: Mono-and Diglycerides of Fatty Acids), 13% Fondant Icing (Sugar, Water, Glucose Syrup, White Chocolate (Sugar, Cocoa Butter, Whole Milk Powder, Emulsifier: Soya Lecithins; Natural Vanilla Flavouring), Dark Chocolate Topping (Cocoa Mass*, Sugar, Fat-Reduced Cocoa Powder*, Emulsifier: Sova Lecithins; Natural Vanilla Flavouring).