Fruit Crumble

English Fruit Crumble
1 lb fruit, any type
3 to 4 ounces granulated sugar, depending on the sharpness or tartness of the fruit
6 ounces plain flour
3 ounces unsalted butter
2 ounces caster sugar

1 Preheat oven to 375°F. 2 Prepare fruit according to type. 3 Place the fruit in a 1-quart oven-proof dish in layers with granulated sugar. 4 Sift flour into a bowl. 5 Rub butter into flour until mixture resembles fine breadcrumbs. 6 Stir in the caster sugar. 7 Sprinkle the crumble mixture thickly and evenly over the fruit. 8 Press down lightly with palm of hand then smooth the top with a knife. 9 Bake for 15 minutes. 10 Reduce the temperature to 350°F. 11 Cook for a further 45 minutes or until top is lightly brown. 12 Serve with fresh double cream, crème fraîche, or real custard.