Frozen Chocolate Pie

Crust; 2 cups finely chopped pecans-toasted. 5 tbsp plus 1 tsp firmly packed brown sugar 5 tbsp butter-chilled and cut into small pieces. 2 tsp dark rum; Chocolate filling; 6; oz semi sweet chocolate; 1/2 tsp instant coffee powder. 4 eggs-room temp. 1 tbsp dark rum; 1 tsp vanilla; 11/2 cups whipping cream; 3 tbsp shaved chocolate; Crust; Blend all ingredients until they hold together. Press into a 9 in pie tin and freeze for at least 1 hour; For filling; Melt chocolate with coffee in double boiler; Remove from heat and whisk in eggs, rum, and vanilla until smooth. Let cool for 5 min; Fold in 1 cup whipped cream; Fold. Into crust and freeze; ; One hour before serving, put pie into fridge; Whip 1/2 cup cream and dollap or pipe over pie; Sprinkle with shaved semi sweet chocolate.