Cookies 'n Cream Cheesecake Squares

1-1lb pkg chocolate sandwich cookies, divided
2 Tbsp butter or margarine, melted
4-8oz pkgs cream cheese, softened
1 Cup sugar
1 tsp vanilla
4 eggs

Place 20 of the cookies in food processor container, cover. Process until finely ground. Add butter; mix well. Press on bottom of 13X9-inch baking pan. Coarsely chop remaining 15 cookies; set aside.

Mix cream cheese, sugar, and vanilla with electric mixer until well blended. Add eggs; mix until blended. Stir in 1 1/2 cups of the reserved chopped cookies. Pour into crust. Sprinkle with remaining chopped cookies.

Bake at 350* for 40 minutes or until center is almost set. Cool. Refrigerate 3 hours or overnight. Cut into bars. Makes 18.