1/3 c. butter, melted
1 1/4 c. graham cracker crumbs
1/4 c. sugar
3 (8 oz.) cream cheese, softened
1 can sweetened condensed milk
8 (1 oz.) sq. semi sweet baking chocolate, melted
4 eggs
2 tsp. vanilla

Preheat oven to 300 degrees. Mix butter, cracker crumbs and sugar. Press on bottom of 9 inch spring form pan. In large bowl, mix cream cheese until fluffy. Beat in milk until smooth. Add remaining ingredients and mix well. Pour into pan and bake for 1 hour and 5 minutes or until set. Cool, refrigerate leftovers.