Recipe : Broadway Brownie Bars

Ingredients
1 (8 ounce) package cream cheese, divided
1 1/2 cups sugar, divided
1 1/8 cups all-purpose flour, divided
1 cup butter or margarine, softened, divided
3 eggs, divided
2 1/2 teaspoons vanilla, divided
2 (1 ounce) squares unsweetened chocolate, divided
1 1/4 cups chopped walnuts
1 teaspoon baking powder
1 cup semisweet chocolate chips
2 cups miniature marshmallows
1/4 cup milk
3 cups confectioners' sugar

Directions
In small mixing bowl, blend 6 ounces cream cheese, 1/2 cup sugar, 2 tablespoons flour, 1/4 cup butter, 1 egg and 1/2 teaspoon vanilla; set aside. In medium saucepan, over medium heat, melt 1 square chocolate and 1/2 cup butter. Remove from heat; add 1 cup sugar, 1 cup flour, 1 cup nuts, baking powder, 1 teaspoon vanilla, and 2 eggs; blend well. Spray 13-in. x 9-in. x 2-in. pan with non-stick spray; spread batter in pan. Spread cheese mixture over batter. In small bowl, combine 1/4 cup nuts and chocolate chips; sprinkle over cheese layer. Bake at 350 degrees F for about 28 minutes or until almost done. Sprinkle marshmallows over all; return to oven for 2 minutes. In medium saucepan, melt 1/4 cup butter, 1 square chocolate, 2 ounces cream cheese and milk. Remove from heat; stir in confectioners' sugar and 1 teaspoon vanilla. Immediately drizzle over marshmallows. Chill well; cut into bars.