Peanut Butter Cup Cheesecake Bars

Name: Peanut Butter Cup Cheesecake Bars
Ingredients: 12 oz. cream cheese, softened; 1/2 cup sugar; 1 tablespoon all-purpose flour; 1 egg plus 1 yolk; 1/2 cup sour cream; 1 teaspoon vanilla; 24 peanut butter cups, cut into pieces; 1/2 cup heavy cream; 2 tablespoons butter; 3/4 cup semi-sweet chocolate morsels; 2 tablespoons powdered sugar; 10-12 peanut butter cups, cut in half; 18 Graham cracker squares (1 wrapped package), crushed into crumbs; 3 tablespoons sugar; 6 tablespoons butter, melted