Marble Cheesecake - cooking recipe

Ingredients

1 cup graham cracker crumbs
3 tablespoons sugar
3 tablespoons margarine, Melted
24 ounces cream cheese, Softened
3/4 cup sugar
1 teaspoon vanilla
3 large eggs
1 ounce unsweetened chocolate square, The 1 oz square of unsweetened Chocolate should be melted

Preparation

Combine crumbs, sugar, and margarine; press onto bottom of 9-inch Spring- form cake pan.
Bake at 350 degrees F., 10 minutes.
Combine cream cheese, sugar and vanilla, beating at medium speed on electric mixer until well blended.
Add eggs, one at a time, mixing well after each addition.
Blend chocolate into 1 cup batter.
Spoon plain and chocolate batters alternately over crust; cutting through batters with knife several times for the marble effect.
Bake at 450 degrees F., 10 minutes.
Reduce oven temperature to 250 degrees F.; continue baking 30 additional minutes.
Loosen cake from rim of pan; cool before removing rim of pan.
Chill.