1 unbaked pie shell
1 stick (1/2 c.) butter, soft
1 c. sugar
3 tbsp. flour
Dash of salt
3 egg yolks
1 sm. can evaporated milk (2/3 c.)
1 tsp. vanilla
1/2 to 1 c. walnuts (depending on preference)

Beat butter and sugar in a medium size bowl until well mixed. Add flour, salt, egg yolks and evaporated milk. Beat until well mixed. Stir in vanilla and walnuts. Pour into unbaked pie shell. Bake at 375 degrees for 35 to 45 minutes until center is almost set but still soft. Cool thoroughly before serving.