Easy Oreo Cheesecake

I got this from a Philadelphia Cream Cheese Box. Enjoy!! (Cooking time does not include chill time.)

• Ready In: 1 hr 5 mins
• Serves: 16
• Yields: 1 Cheesecake

Ingredients

• 1 (18 ounce) bag  Oreo cookies, divided
• 1⁄4 cup butter or 1⁄4 cup margarine, melted
• 4 (8 ounce) packages Philadelphia Cream Cheese, softened
• 1  cup sugar
• 1  teaspoon vanilla
• 1  cup sour cream
• 4  eggs

Directions

1. Preheat oven to 325°F
2. Place 30 cookies in food processor and cover. Process for 30-45 seconds or until finely ground. Add butter; mix well. Press firmly onto bottom of foil-lined 13X9" baking pan.
3. Beat cream cheese, sugar and vanilla in a large bowl with electric mixer on medium speed until well blended.
4. Add sour cream; mix well.
5. Add eggs, one at a time, beating just until blended after each addition.
6. Chop remaining cookies. Gently stir 1 1/2 cups of the chopped cookies into cream cheese batter. Pour over crust; sprinkle with remaining chopped cookies.
7. Bake 45 minutes or until center is almost set. Cool.
8. Refrigerate at least 3 hours, but overnight is better. Cut into 16 pieces.