Chocolate Cheese Cake~ Mom Workman

18 Oreo cookies
2 TBSP butter or Margarine
4 pkg (8 oz each) Phillie Cream Cheese (softened)
1 tsp vanilla
1 cup sugar
2 TBSP flour
1 pkg (8 squares) semi sweet bakers chocolate melted and slightly cooled
4 eggs
Mix Oreo crumbs and butter press to bottom of spring form pan bake @ 325 for 10 min
Beat cream cheese, sugar, flour and vanilla, with mixer until well blended Add chocolate and eggs mix just until blended. Pour over crust
Bake @ 325 deg for 55-60 min or until center is almost set. Run knife around rim of pan. Refrigerate 4 hours or over night garnish with sifted powdered sugar and berries if desired.