1 9-inch unbaked pie shell
1/2 c. butter
1 c. sugar
1/4 c. flour
1/2 tsp. salt
3 egg yolks
1/2 c. evaporated milk
1 tsp. vanilla
2/3 c. coarsely chopped black walnuts

Cream butter, add sugar gradually and continue creaming until lightly and fluffy. Add flour, salt, and egg yolks. Mix well. Stir in evaporated milk and vanilla. Pour into prepared pie shell and sprinkle walnuts over top. Bake in preheated hot oven 425 degrees for 10 minutes. Then reduce heat to slow oven 300 degrees and continue until set, at least 40 minutes.