1 c. sugar
2 tbsp. flour
3 tbsp. cocoa (heaping)
1/2 c. buttermilk
2 eggs, well beaten
3 tbsp. melted butter
1 tsp. vanilla
1 c. black walnuts

Mix all ingredients well. Pour into 9 inch pie shell. Bake at 350 degrees for 15 minutes; lower heat to 325 degrees and bake until set.