1 (6 oz.) pkg. semi-sweet morsels
1/2 c. sugar
1 1/4 c. graham cracker crumbs
2 tbsp. sugar
1/4 c. melted butter
2 (8 oz.) pkgs. cream cheese, softened
3/4 c. sugar
1/2 c. sour cream
1 tsp. vanilla extract
4 eggs

Preheat oven to 325 degrees. Combine, over hot water, morsels and 1/2 cup sugar. Heat until morsels melt and mixture is smooth, set aside.

Combine graham cracker crumbs, 2 tablespoons sugar and melted butter. Press firmly into 9 inch springform pan covering the bottom and 1 1/2 inches up the sides.

In a large bowl, beat the cream cheese until light and fluffy, adding 3/4 cup sugar slowly. Mix in sour cream and vanilla. Add eggs, one at a time, mixing well after each.

Divide batter in half. Stir chocolate mixture into first half. Pour into crumb lined pan. Top with second half of batter. With a knife, swirl to marbelize. Bake at 325 degree for 50 minutes or until only a 2-3 inch circle in center will shake. Cool to room temperature before chilling. Enjoy!