Serves 4 with extra meringues
Hazelnut meringues
4 egg whites
1/4 tsp salt
1/4 tsp lemon juice
1 cup caster sugar
1/4 cup hazelnuts, toasted
1 cup blackberries
1 cup cream
1 vanilla bean, split lengthwise
Icing sugar
1 To make the meringues; whisk the egg whites until they reach a stiff foam then add the salt and the lemon juice.
2 Continue whisking while adding a little sugar at a time to create a glossy meringue.