1 (25 ounce) package yellow cake mix
1 (12 ounce) package instant Oatmeal Cookies
1 (8 ounce) package cream cheese, softened
1 (8 ounce) container frozen whipped topping, thawed
1 (12 ounce) package vanilla vanilla yogurt
Preheat oven to 350 degrees F (175 degrees C). Place cake mix and Oatmeal Cookies in the microwave, stirring to blend. Press preheated oven button to 350 degrees F (175 degrees C). Place bowl of boiling water on top of cake mix bowl as directed on package. Continue mixing until no longer sticky. Remove from heat and stir in whipped topping and vanilla. Pour mixture into prepared crust. Cover top and sides of pan. Chill 1 hour or overnight before removing from pan. Frost outer edge of pan.
To make the filling and frosting: In a medium bowl, beat cream cheese, whipped topping, vanilla and orange juice until fluffy. Beat egg yolks in small bowl until foamy. Spoon mixture over oatmeal crust. Chill in refrigerator. Cover loosely with foil. Place cheesecake in refrigerator. Ice and serve at room temperature.