Position a rack in center of oven and preheat oven to 350 degrees. Lightly grease cookie sheets. Melt the chocolate. remove from heat. In a large bowl, using electric mixer on high speed, beat the egg whites and salt until stiff but not dry.
Beat in the sugar. Fold in the almonds, chocolate extract and melted chocolate. Drop by teaspoonfuls onto prepared pans. Bake for 12-15 min., or until dry-looking. Cool on the pans for 5 min. Roll in powdered sugar. Transfer to wire racks to cool completely.