• Preheat oven to 325°F. Line the bottom of a 9-inch springform pan with a round of parchment paper.

Make the crust:

• Combine the Oreo crumbs, melted butter, and sugar in a small bowl.  Mix together with a fork until all the crumbs are moistened.  Press the mixture onto the bottom of the prepared pan.

Make the cheesecake:

• Beat cream cheese and 1 ½ cups granulated sugar at medium-low speed with an electric mixer 1 minute.  Add eggs and next 5 ingredients, mixing on low speed just until fully combined.  Pour batter into prepared crust.
• Bake for 10 minutes; then reduce heat to 300 degrees F, and bake for 1 hour and 15 minutes or until center is firm.  Turn oven off, and prop the door open slightly.  Let cheesecake stand in oven 30 minutes.  Remove cheesecake from oven; cool in pan on wire rack 30 minutes. Run knife along out edge of cheesecake.  Cover and chill 8 hours.

Make cream cheese frosting:

• Beat cream cheese and butter at medium speed with an electric mixer until smooth; gradually add powdered sugar and vanilla, beating until smooth.  

Finish the cheesecake:

• Spread the frosting evenly over the top of the chilled cheesecake.
• To add a heart decoration, lightly place a heart-shaped cookie cutters on the frosting and then sprinkle mini-chocolate chips inside, pressing them down gently.  Carefully remove the cookie cutters.
• Remove the springform pan ring before serving cheesecake.