Recipe with video instructions: You've never seen a rainbow cheesecake like this before! Just look at the layers... Ingredients: 300g choc chip biscuits, 150g unsalted butter, room temp, 1200g cream cheese, 300g caster sugar, 6 large eggs, 6 large egg yolks, 1 tsp vanilla bean extract, 2 tbsp lemon juice , Food colourings: red, orange, yellow, green, blue, dark purple, pink , 23cm cake tin , Foil and clingfilm