Place chocolate morsels in top of a double boiler; bring water to a boil. Reduce heat to low; cook until chocolate melts. Add butter and powdered sugar, stirring until sugar dissolves. Remove from heat. Add egg yolks, one at a time,
beating with an electric mixer after each addition. Pour mixture into a bowl; cover and let sit 12 hours in a cool, dry place (do not refrigerate). Shape mixture into 1-inch balls; insert 1 whole almond in center of each ball. Roll lightly in chopped almonds. Yield: 2 dozen.

MICROWAVE DIRECTIONS: Place chocolate morsels in a 1-quart glass bowl. Microwave at MEDIUM (50% power) for 2 to 3 minutes or until chocolate is softened; stir well. Add butter and powdered sugar, stirring until powdered sugar dissolves. Add egg yolks, one at a time, beating with an
electric mixer after each addition. Pour mixture into a bowl; cover and let sit 12 hours in a cool, dry place (do not refrigerate). Shape mixture into 1-inch balls; insert 1 whole almond in center of each ball. Roll lightly in chopped almonds.