4 cup Flour
1½ cup Butter
1 cup Sugar
1 teaspoon Salt
4 Egg Yolks
1 tablespoon Vanilla
3 pound Plums, Purple
Jam
4 Egg Whites
Make a dough from the first 6 ingredients, press into cookie sheet with your fingers, forming a rim. Spread thin layer of peach or apricot jam on top of dough. Now put your quartered plums in rows on the dough.
Beat egg whites slightly and brush over plums, sprinkle 2tb flour over egg whites. Bake at 375f 40 mins. If too sour shake some powdered sugar on top.