Combine chocolate wafer crumbs and 1/3 cup melted butter; firmly press on.
Bottom and sides of a 9-inch tart pan or pie plate.
Bake at 350*F. for 6-8 minutes.
Cream 1/2 cup softened butter; gradually add brown sugar with the electric mixer at medium speed until blended. Add the eggs, one at a time, beating after each addition. Stir in the melted chocolate, instant coffee granules, vanilla, flour and chopped pecans. Pour into prepared.
Bake at 375*F. for 25 minutes. Remove from the oven and cool completely on a wire.
Before serving, pipe sweetened whipped cream on each piece and drizzle.
With chocolate syrup. Garnish with cherries and/or mint if desired. Enjoy!