CREAM CHEESE BATTER:

1 (8 oz.) cream cheese, softened
1/2 c. sugar
1 egg
1 tsp. vanilla

CHOCOLATE BALLS:

3/4 c. butter (1 1/2 sticks)
2 foil-wrapped bars (4 oz.) Nestle unsweetened baking bars
1 3/4 c. sugar
3 eggs, well beaten
1 3/4 c. all-purpose flour

Cream Cheese Batter: Preheat oven to 350 degrees in a small bowl. Beat cream cheese and 1/2 cup sugar until smooth. Beat in 1 egg and vanilla. Set aside.

Chocolate Batter: In heavy gauge, medium saucepan over low heat. Melt butter and Nestle baking bar. Stir until smooth. Stir in 1 3/4 cups sugar. Blend in 3 eggs. Stir in flour. Spread chocolate batter into greased 13 x 9 inch pan. Spoon cream cheese batter over top. Swirl metal spatula through batter to marbelize.

Bake 30-35 minutes until edges begin to pull away from sides of pan. Cool completely cut into 2 inch bars.