Chocolate Chip Cheesecake Supreme

1 c Chocolate Wafer Crumbs
3 tb Margarine, Melted
24 oz Cream Cheese, Softened
3/4 c Sugar
1/4 c Unbleached All-Purpose Flour
3 ea Large Eggs
1/2 c Sour Cream
1 ts Vanilla
1 c Mini Semi-sweet Chips
Combine crumbs and magarine; press onto bottom
of 9-inch springform pan. Bake at 350 degrees
F., 10 minutes. Combine cream cheese, sugar and
flour, mixing at medium speed on electric mixer
until well blended. Add eggs, one at a time, mixing
well after each addition. Blend in sour cream and
vanilla. Stir in chocolate chips and pour into
crust. Bake at 350 degrees F., 55 minutes. Loosen
cake from rim of pan; cool before removing rim of
pan. Chill. Garnish with whipped cream and fresh mint
leaves, if desired.