01 - Preheat the oven to 180C / 375F 02 - Peel, core and chop the Apples into chunky pieces, not too big nor too small and place them into a shallow baking dish, approx 23x18cm / 9x7in. 03 - Sprinkle 30gr / 1oz / 2 tablespoons of Golden Caster Sugar on top.04 - Put Flour and Sugar in a large baking bowl. 05 - Cut the Butter into small pieces and add it to the bowl. Rub the Butter into the Flour and Sugar mixture until you have a very coarse mixture, without worrying too much about getting the mixture even. 06 - Sprinkle a good layer of Crumble topping over the Apples. 07 - Bake for about 30 minutes, or until golden. You will seen the Apples bubbling through from underneath. 08 - Remove the Cake from the oven and leave it to cool for 5 minutes before serving.