1\. In a saucepan mix the castor sugar (1 Tbsp), lemon juice,cinnamon powder with the peeled and diced apples. Set aside.

2\. Preheat the oven to 190 C. Layer the bottom of an ovenproof dish with prepared apples in an oven proof dish. Flatten the apple layer so that the crumb mixture stays on top

3\. Remove the butter from the fridge and cut it into small cubes. Rub the butter bits into the flour/oats mixture, nutmeg powder and powdered sugar with your fingers  The mixture should look like moist bread crumbs.

4\. Pour this mixture on top of the apple layer and cook in the oven for 30 min or until the crumble turns golden brown.

5\. Serve warm with vanilla ice cream, cream or custard.