2 c. Hershey's semi-sweet chips
3 (8 oz.) pkgs. cream cheese
1 (14 oz.) can Eagle Brand sweetened condensed milk
4 eggs
2 tsp. vanilla

Heat oven to 300 degrees. Prepare chocolate crumb crust (below); set aside. In heavy saucepan, over very low heat, melt chips, stirring occasionally. In a large mixing bowl, beat cheese until fluffy. Gradually beat in sweetened condensed milk until smooth; add melted chips and remaining ingredients. Mix well. Pour into prepared crust. Bake 1 hour, or until center is smooth and set. Let cool Refrigerate.