Ingredients
3 cups / 11 oz / 310 g walnut halves, toasted & cooled
4 cups / 1 lb / 453 g confectioner's (powdered) sugar
1/2 cup plus 3 tablespoons / 2 oz / 60 g unsweetened cocoa powder
scant 1/2 teaspoon fine grain sea salt
4 large egg whites, room temperature
1 tablespoon real, good-quality vanilla extract
Preparation
