Nectarine and Red Currant Meringue Crowns

Name: Nectarine and Red Currant Meringue Crowns
Cuisine: British
Ingredients: 3 free-range egg whites, at room temperature; Pinch of salt; ¾ cup (150 g) superfine sugar; 1¼ cups (280 g) crème fraîche; 2 nectarines, pitted and cut into small slices; 2 sprigs fresh red currants; 20 tiny fresh mint sprigs (optional); Confectioners’ sugar, for dusting