German plum cake
Grease the bottom of a square pan or pie pan.
Mix together 1 1/2 cups flour, 1/2cup butter, and 2T sugar with a fork or pastry blender or your fingers until crumbly.
Whisk 1egg yolk with 1 T cold water and add to crumbly mixture. Reserve 2T crumble. Refrigerate for 3 hours.
Cut 1 1/2lbs plums into quarters. Fill the top of the pastry mixture and crush. Sprinkle 1 cup sugar over the top and also sprinkle with cinnamon, dot with butter. Sprinkle reserved crumbs on the top. Bake @ 450 degrees for 10 minus and then lower the temp. To 350 and bake 30 minutes.