Chocolate Swirl Cheesecake - cooking recipe

Ingredients

2 c. graham cracker crumbs
1 1/2 tsp. ground cinnamon
1/2 c. butter or margarine, melted
2 (1 oz.) sq. semi-sweet chocolate
2 (8 oz.) pkg. cream cheese, softened
1 c. sugar
6 eggs
1/4 c. plus 1 Tbsp. all-purpose flour
1 1/2 tsp. grated lemon rind
3 Tbsp. lemon juice
1 tsp. vanilla extract
1 c. whipping cream, whipped
grated chocolate (optional)

Preparation

Combine graham cracker crumbs, cinnamon and butter, mixing well.
Firmly press into bottom and up sides of a 9-inch spring-form pan, then refrigerate.
Place chocolate in top of a double boiler; bring water to a boil.
Reduce heat to low; cook until chocolate melts.
Set aside to cool slightly.
Beat cream cheese with electric mixer until light and fluffy.
Gradually add sugar, mixing well.
Add eggs, one at a time, beating after each addition.
Stir in flour, lemon rind, lemon juice and vanilla. Fold in whipped cream.