Pie:

Mix sugar and flour. Add egg yolks to milk and mix well. Add milk mixture to sugar mixture. Mix well. Add butter and cook until thick. About 10 – 15 minutes, stirring constantly.

Pour into baked pie shells.

Meringue:

Beat egg whites, adding baking powder and sugar very slowly, until stiff.

Assembly:

Top pies with meringue, covering edges. Bake at 350 degrees for 15 minutes, or until brown.

Cool and enjoy.