1 c. sugar
1 small can condensed milk
3 eggs (beat egg yolks separately from egg whites)
2 heaping tbsp. flour or cornstarch
vanilla (as desired)
2 tbsp. butter

Cream sugar and butter. Add condensed milk and flour or cornstarch. Then add beaten egg yolks and mix well. Add vanilla. Add well beaten egg whites. Pour into unbaked pie shell.

Bake slowly at 325°F.