In this recipe raspberries can be substituted with blueberries or blackberries.
The berries can be fresh or frozen - both work well.
Grease and line with baking paper a 20 x 30cm slice tin. In a large bowl, mix together the egg whites, icing sugar, coconut and flour until well combined. Fold in the melted butter until just combined.
Pour mixture into the lined tin and sprinkle