Place the flour and sugar in a large bowl and mix well. Taking a few cubes of butter at a time rub into the flour mixture. Keep rubbing until the mixture resembles breadcrumbs.
Place the fruit in a large bowl and sprinkle over the sugar, flour and cinnamon. Stir well being careful not to break up the fruit.
Butter individual foils and distribute fruit mixture, then sprinkle the crumble mixture on top.
Bake in the oven for 40-45 minutes until the crumble is browned and the fruit mixture bubbling.