Preheat oven to 180˚C / 356˚F.
Arrange persimmon and apple slices in a greased pie dish. Sprinkle with sumac, cinnamon and cornstarch.
1 cup persimmon, 1 cup green apple, 1 tsp sumac, 1 tsp cinnamon, 1 tsp cornstarch / cornflour
Place flour, oats and sugar in a mixing bowl and stir. Melt the butter and add to the mix, then stir well until evenly mixed.
225 g plain flour / all purpose flour, 30 g oats, 80 g raw sugar, 150 g butter
Press crumble mixture across the persimmon and apple slices into a 1 cm thick layer.
Bake in the oven for 20–30 mins until crumble top is golden brown. Slice into portions and serve immediately.
Dust with icing sugar and serve hot. Optional: Serve with whipped cream and/or ice cream.
icing sugar / powdered sugar, whipped cream, Ice cream