Chocolate Cheesecake - cooking recipe

Ingredients

1 pkg. (about 11) graham crackers, crushed (about 1 2/3 c.)
1/4 c. sugar
1/4 c. margarine, softened
5 (5 oz.) sq. semi-sweet chocolate
1 1/2 lb. (three 8 oz. pkg.) cream cheese
3/4 c. sugar
4 large eggs
1 tsp. vanilla
1 c. fresh whipped cream
Cool Whip

Preparation

Combine cracker crumbs, 1/4 cup sugar and margarine.
Press into a 9-inch spring-form pan. Chill until ready to fill.