In small saucepan, melt chocolate over low heat (about 5 minutes), stirring occasionally; cool slightly.
In medium bowl, combine flour and salt.
In large mixer bowl, cream shortening, butter, sugar and brown sugar until fluffy; beat in vanilla and egg.
In small bowl, combine coffee and water; stir until dissolved. Beat coffee, melted chocolate and flour mixture into batter until thoroughly combined; stir in filberts. Chill, covered, several hrs.
To Bake: Drop dough onto ungreased baking sheets using a 1" cookie scoop (2 heaping tsp.). Bake in a preheated 350° oven until cookies are just set (8-10 minutes). Immediately remove from pans; cool on wire racks.
In small saucepan, melt white chocolate bar and 4 tsp. shortening over low heat (about 5 minutes), stirring occasionally; cool. Pour into storage bag; seal. Cut a tiny hole in corner of bag; drizzle melted white confection over cookie tops. Let stand until set.
Cookies may be frozen.
Amount: 5 dozenRecipe submitted by Bertha on 3/7/00