CRUST:

1 1/2 c. Oreos, crushed (18 cookies)
1/2 c. melted butter

FILLING:

3 (8 oz.) pkgs. cream cheese, softened
1 (14 oz.) can condensed milk
3 eggs
2 tsp. vanilla
1 c. miniature chocolate chips
1 tsp. flour

Mix together Oreos and butter and press into the bottom of a springform pan (8 or 10 inch).

Combine first 4 filling ingredients; mix until creamy. Toss 1/2 cup chocolate chips with flour; stir into the cheese mixture. Pour into prepared crust. Sprinkle remaining chocolate chips over the top of the filling. Bake 1 hour at 300 degrees.