1Grease an 8 x 1 1/2 inch cake pan. Preheat oven to 350 degrees.
2Combine flour, cocoa, and salt on wax paper.
3Spread walnuts on baking sheet and toast (stirring often) for about 10 minutes; cool; reserve.
4Beat butter, sugar, eggs and vanilla in a medium size bowl until light and fluffy. Sitr in flour mixture until well blended. Stir in toasted walnuts. Turn into prepared pan.
5Bake in preheated 350 degree oven for 30 minutes or until toothpick inserted in middle comes out clean. Do NOT overbake. Cool on wire rack. Remove from pan. Spoon ice cream onto center of pie. Cut into pie shaped wedges.