CHOCOLATE CRUMB CRUST:

1 c. finely ground chocolate wafer crumbs
2 tbsp. unsalted butter, softened

CHEESECAKE:

1 1/2 lb. cream cheese, softened
1 c. granulated sugar
2 lg. eggs, room temperature
1 c. sour cream, room temperature
1 tbsp. vanilla extract
9 oz. (about 1 1/2 c.) Mrs. Fields' semi-sweet chocolate chips

CHOCOLATE GLAZE:

3 oz. (about 1/2 c.) Mrs. Fields' semi-sweet chocolate chips
1/4 c. heavy (whipping) cream