Preheat oven to 180°C. Butter a 9 inch ovenproof dish.
To Make The Filling
Place fruit in a large bowl. Sprinkle with sugar, flour and cinnamon. Mix well with a spoon and set aside while you make the crumble.
To Make The Crumble
Place flour, salt, nutmeg and sugar in a large bowl and mix well. Take a little butter at a time and rub into the flour and sugar mixture. Keep rubbing until all the butter is used up and the mixture resembles breadcrumbs.
Spoon fruit mixture into the bottom of the dish. Sprinkle crumble on top. Bake for 30 to 40 minutes until top is golden.
Serve warm with clotted cream or vanilla ice cream.
Notes
Make It Gluten-Free - To make a gluten-free version, substitute plain flour in the recipe with almond meal or hazelnut flour.