Banana Nut Cheesecake Ii

------------------------------------BASE------------------------------------ 1 c Chocolate wafer crumbs

1/4 c Margarine, melted

------------------------------------BODY------------------------------------ 2 pk 8-ounce cream cheese, soften

1/2 c Sugar

1/2 c Mashed ripe banana

2 ea Eggs

1/4 c Chopped walnuts

----------------------------------TOPPING---------------------------------- 1/3 c Milk chocolate pieces

1 T Margarine

2 t Cold water

BASE: Combine crumbs and margarine; press onto bottom of 9-inch springform pan. Bake at 350, 10 minutes. BODY: Combine cream cheese, sugar and banana, mixing at medium speed on electric mixer until well blended. Add eggs, one at a time, mixing well after each addition. Stir in walnuts; pour over crust. Bake at 350, 40 minutes. Loosen cake from rim of pan; cool before removing rim of pan. TOPPING: Melt chocolate pieces and margarine with water over low heat, stirring until smooth. Drizzle over cheesecake. Chill.