Preheat your oven to 180°C / 356°F. Peel the apples, remove the pips and dice them. Lay the apple dices out in a ovenproof dish and mix them with the cinnamon-sugar mixture.

Cut the butter into small cubes. Take a small bowl and mix the butter cubes, the brown sugar and the flour, rubbing the butter into the flour and sugar.

Spread the crumbles over the apples and bake for 20-25min or until the top is golden brown and the raspberries are bubbling.

Serve hot with a scoop if icecream.