1 bag of 18 south four berry mix
120g butter or margarine
100g brown or raw sugar
Grated zest of 1 lemon or orange
1 cup rolled oats
Preheat the oven to -180°C.
Place the bag of 18 south frozen fruit in the bottom of a pie dish and sprinkle with half the sugar.
Place the flour, butter and remaining sugar in a food processor and pulse until combined. Add the rolled oats and the grated zest and mix well. (Or rub the butter into the flour until finely crumbled, then add the sugar, rolled oats and zest and mix well.)
Spoon the crumble mix evenly over the -18 south frozen fruit and bake in the oven for about 35 minutes, until the crumble is browned. Serve with Greek yoghurt, ice cream, cream or custard.