Step 1: Heat oven to 350°F.
Step 2: Unroll 1 can of dough. Place in bottom of ungreased 13x9-inch (3 quart) glass baking dish. Stretch to cover bottom of dish, firmly pressing perforations to seal.
Step 3: In medium bowl, beat cream cheese and 1 cup of the sugar with electric mixer on medium speed until smooth. Beat in vanilla. Spread over dough in baking dish.
Step 4: Unroll second can of dough. Carefully place on top of cream cheese layer. Pinch seams together.
Step 5: Pour melted butter evenly over top. Mix remaining 1/2 cup sugar with the cinnamon, and sprinkle evenly over butter.
Step 6: Bake about 30 minutes or until center is set. Cool slightly, about 20 minutes. Refrigerate for easy cutting. Cover and refrigerate any remaining bars.