3 c. sweet potatoes, cooked
1 c. butter
3 c. sugar
4 egg yolks
1 c. milk
6 tbsp. flour
1 tsp. vanilla
1 (9-inch) pie shell, unbaked

Mash hot potatoes in mixer, add butter, add sugar and flour. Then add egg yolks, one at a time. Beat thoroughly. Add milk and vanilla. Pour in pie shell. Bake 10 minutes at 400 degrees, then 35 minutes at 375 degrees. Top with meringue and brown.