Bake The Pastry Shells According To Package Directions. Meanwhile, In A Saucepan, Melt Butter; Stir In Flour Until Smooth. Dissolve Bouillon In Water. Gradually Add Milk And Bouillon To The Saucepan. Bring To A Boil; Cook And Stir For 2 Minutes Or Until Thickened. Reduce Heat; Add The Cheese, Worcestershire And Mustard; Stir Until The Cheese Is Melted. Add The Ham, Peas If Desired, Olives, Pimientos And Parsley; Heat Through. Serve In Pastry Shells.