1/2 c. butter
3/4 c. sugar
2 eggs
1 tsp. vanilla
1/2 tsp. salt
2 sq. melted chocolate
2/3 c. flour
6 oz. chocolate chips
1/2 c. chopped walnuts

FILLING:

3 oz. cream cheese
2 tbsp. butter
1/4 c. sugar
1 egg
1/2 tsp. vanilla
1 tbsp. flour

Cream butter, add sugar, eggs, and vanilla. Add baking powder, salt, melted chocolate. Slowly add flour, chocolate chips and nuts. Reserve 1 cup of chocolate mixture and pour the rest into 9 inch pan.

Prepare filling - whip cream cheese, butter, sugar, egg, vanilla and flour slowly. Pour cream cheese mixture by tablespoon and swirl to marble. Bake at 350 degrees for 30-35 minutes.