Chocolate Cream Cheese Brownies

Description
This recipe came from an estate sale. I obtained it when I purchased the family collection from the Howell Estate in Canton, Texas in 1981.
 * Contributed by Catsrecipes Y-Group

Ingredients

 * 4 ounces unsweetened chocolate
 * 4 ounces semi-sweet chocolate
 * ⅓ cup butter
 * 6 ounces cream cheese softened
 * ¼ cup butter softened
 * 2 cups sugar divided
 * 6 large eggs divided
 * 1 teaspoon pure vanilla extract
 * 2 tablespoons all-purpose flour
 * 9 ounces semi-sweet chocolate chips
 * 2 teaspoons pure vanilla extract
 * 1 cup all-purpose flour
 * 1 teaspoon baking powder
 * 1 teaspoon salt

Directions

 * 1) Melt unsweetened chocolate, semi-sweet chocolate and butter in top of double boiler blending well then cool.
 * 2) With electric mixer beat cream cheese and butter until creamy then gradually add ½ cup sugar beating well.
 * 3) Beat in 2 eggs one at a time then stir in vanilla and fold in flour and ½ cup chocolate chips.
 * 4) Set aside.
 * 5) Beat 4 remaining eggs gradually adding remaining 1½ cups sugar then add chocolate and 2 teaspoons vanilla and beat until well blended.
 * 6) In bowl combine 1 cup flour, baking powder and salt then fold in chocolate batter and remaining chips.
 * 7) Reserve 3 cups batter.
 * 8) Spread remaining batter into a greased rectangular pan.
 * 9) Pour cream cheese mixture over chocolate batter then top with reserved chocolate batter and swirl with knife.
 * 10) Bake at 325°F for 45 minutes.
 * 11) Cool.