My Mother's (Marriane's) Oreo Cheesecake Recipe

Crust:

25 Oreo chocolate sandwich cookies (about 2 1/2 cups crumbs) 

1/4 cup (1/2 stick) unsalted butter melted

Filling:

4 packages (8 ounces each) cream cheese, at room temperature 

1 1/2 cups of sugar, divided

2 tablespoons of flour

4 large eggs at room temperature 

3 large egg yolks at room temperature 

1/3 cups of whipped cream

2 teaspoons of vanilla divided 

1 3/4 cups od coarsly chopped oreo chocolate sandwich cookies (about 15 cookies)

2 cups of sour cream

1. Pre Heat the oven to 425 degrees. Butter a 10 inch springform pan and set aside 

2. To prepare crust: Break up cookies and place in food processor fitted with metal blade; process until crumbs form. Add butter and mix until blended. or mix cookie crumbs and butter together in bowl. Pour into prepared pan and press evenly over bottom and two thirds up sides. Refrigerate while preparing filling.

3.To prepare filling; Beat cream cheese in large bowl with electric mixer on medium speed until smooth. Scrape down sides. Add 1 1/4 cups of sugar, beating until mixture is light and fluffy, about 3 minutes, scraping down sides of bowl occasionally. Mix in flour while beating continuously add eggs and yolks; mix until smooth. Beat in whipping cream and 1 teaspoon vanilla until well blended.

4. Pour half the batter into prepred crust. Sprinkle with chopped Oreos.Pour remaining batter over smooth top with a spatula. Some of the Oreo may rise to the top.

5. Place pan on baking sheet. Bake for 15 minutes, reduce temperature to 300 degrees and bake for 50 minutes or until set.

6. Remove care from oven and increase oven temperature to 350 degrees. Stir together sour cream remaining 1/4 cups of sugar and 1 teaspoon of vanilla in small bowl. Spread sour cream mixture evenly over cake. Return to oven and bake 7 minutes or until sour cream begins to set.

7. 7. Remove from oven and cool in draft free place to room temperature. Cover and refrigerate several hours or overnight.