1/2 c. butter
1 c. sugar
1/4 c. flour
1/2 c. evaporated milk
2 egg yolks
1 tsp. vanilla
1/8 tsp. salt

Cream butter and sugar. Add egg yolks, flour, milk, vanilla and salt. Beat well. Bake in unbaked 8 or 9 inch pie shell in 350 degree oven for approximately 45 minutes or until set.