I made these last week for my Boss's 40th Birthday. He is addicted to Irn Bru :-) Recipe (makes 12) Source Ingredients: For the Cakes 240g Plain Flour 200g Caster Sugar 3 tsp Baking Powder 80g Butter (at room temperature) 200ml Milk 2Egg 8tbsp Irn Bru Syrup (Boil a 2l bottle of full sugar Irn Bru in a pan and reduce the volume to a 10th of original) For the frosting: 400g Icing Sugar 100g Butter (at room temperature) 8-10 tbsp Irn Bru Syrup Orange Food Colouring (optional) Me