Chocolate Supreme Cheesecake

3 packages (8-oz ea) cream cheese, softened

1 can (14-oz) sweetened condense milk

3 eggs

1 package 12-oz semi-sweet chocolate Chips

16 crushed cream filled Chocolate cookies

1/4 cup margarine, melted

1/3 cup margarine

1/2 cup powdered sugar

1 package (6-oz) semi-sweet chocolate pieces, melted

2 tbl orange-flavored liqueur

Combine cookie crumbs and 1/4 cup margarine; press into the bottom of a 9" springform pan.

Combine cream cheese and milk, mixing at medium speed of an electric mixer until well blended. Add eggs, one at a time, mixing well after each addition. Blend in chocolate and vanilla; pour over crust. Bake at 300 degrees for 1 hour and 10 minutes. Loosen cake from rim of pan; cool before removing rim of pan.

Beat 1/3 cup margarine and sugar until light and fluffy. Add chocolate and liqueur, mixing well. Frost top and sides of cheesecake. Chill.