Caribbean Fudge Pie
["1/4 c. butter", "3/4 c. brown sugar, packed", "3 eggs", "1 (12 oz.) pkg. semi-sweet chocolate bits, melted", "2 tsp. instant coffee powder", "1 tsp. rum extract", "1/4 c. all-purpose flour", "1 c. coarsely broken walnuts", "1 (9-inch) unbaked pie shell", "1/2 c. walnut halves (for decoration)"]
["Cream butter with sugar; beat in eggs, one at a time.", "Add melted chocolate, instant coffee and rum extract.", "Stir in flour and broken walnuts and turn into pie shell.", "Top with remaining 1/2 cup walnut halves. Bake at 375\u00b0 for 25 minutes. Cool. Top with whipped cream, if desired."]
["butter", "brown sugar", "eggs", "semi-sweet chocolate bits", "coffee powder", "rum", "all-purpose", "walnuts", "shell", "walnut halves"]