Layers of cookie and Biscoff spread and biscuits, stuffed with Kinder Bars

INGREDIENTS: Unsalted Butter [MILK], Sugar, Egg, WHEAT Flour [WHEAT Flour, Calcium Carbonate, Iron, Niacin, Thiamin], Cornflour, Raising Agent (Sodium Carbonates), Salt, MILK Chocolate Chips [Sugar, Cocoa butter, Whole MILK powder, Cocoa mass, Fat-reduced cocoa powder, Emulsifier (lecithins), Natural vanilla flavour], Caramelised Biscuit Spread [WHEAT flour, Sugar, Vegetable Oils [Palm, Rapeseed], Sugar Syrup, Raising Agent: Sodium Carbonates; Salt, Cinnamon], Oil, Sugar, Emulsifier: Rapeseed Lecithins; Natural Flavouring, Acid: Citric Acid, Biscoff Biscuits [WHEAT flour, Sugar, Sunflower Oil, Candy Sugar Syrup, SOYA Flour, Raising Agent: Sodium Carbonates; Salt, Ground Cinnamon], Kinder MILK Chocolate Bars [Sugar, 20% Dried Whole MILK, Palm Oil, Cocoa Butter, 7% Dried Skimmed MILK, Cocoa Mass, Emulsifier: SOYA Lecithins; Flavouring]