In a bowl, mix all the ingredients for the crumble and rub together for about 30 to 60 seconds or until mixture resembles breadcrumbs. Do not over mix the crumble as it becomes gooey and chewy. Set aside.
In pot on medium heat, combine the sliced apples, brown sugar, cinnamon & nutmeg. Cooked until the liquid has thicken or reduced.
Pour the apple filling mixture into a baking tin/mould and pat down.
Spread the mixture evenly, then add a layer of crumble on top.
Bake in the oven for about 20 minutes or until the mixture is nicely caramelized and crumble turns golden brown.
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