1/2 cup ground almonds
1/2 cup unsweetened Dutch-processed cocoa powder 1 tsp baking powder
1/8 teaspoon salt
1/4 cup unsalted butter,
2/3 cup brown sugar
1 egg
1/2 teaspoon vanilla
112 g dark chocolate,
1/4 cup granulated sugar
1/4 cup icing sugar
Whisk almonds with cocoa, baking powder and salt in a small bowl. Beat butter with brown sugar in a large bowl, using an electric mixer, until light and fluffy, about 3 min. Beat in egg and vanilla. Stir in cooled chocolate. Fold in almond mixture until combined. Cover bowl with plastic wrap and refrigerate until dough is firm enough to roll, about 10 min.