Broadway Brownie Bars

Ingredients

FILLING:
6 ounces cream cheese, softened
1/2 cup sugar
1/4 cup butter, softened
2 tablespoons Unbleached All-Purpose Flour
1 egg, lightly beaten
1/2 teaspoon vanilla extract
BROWNIE:
1/2 cup butter, cubed
1 ounce unsweetened chocolate
2 eggs, lightly beaten
1 teaspoon vanilla extract
1 cup sugar
1 cup King All-Purpose Flour
1 teaspoon baking powder
1 cup chopped walnuts
TOPPING:
1 cup (6 ounces) semisweet chocolate chips
1/4 cup chopped walnuts
2 cups miniature marshmallows
FROSTING:
1/4 cup butter
1/4 cup milk
2 ounces cream cheese
1 ounce unsweetened chocolate
3 cups confectioners' sugar
1 teaspoon vanilla extract

Directions

Preheat oven to 350°. In small bowl, combine first six
ingredients until smooth; set aside.
In a large saucepan over medium heat, melt butter and chocolate.
Remove from heat and cool. Stir in eggs, and vanilla. Add sugar,
flour, baking powder and nuts, stirring until blended.
Spread batter in a 13x9-in. baking pan coated with cooking spray.
Spread filling over batter. For topping, in small bowl, combine
chocolate chips and nuts; sprinkle over filling.
Bake 28 minutes or until almost set. Sprinkle with marshmallows; bake
2 minutes longer.
For frosting, in a large saucepan, heat butter, milk, cream cheese
and chocolate until melted; stirring until smooth. Remove from heat;
stir in confectioners' sugar and vanilla. Immediately drizzle over
marshmallows. Chill well; cut into bars. Yield: 2-1/2 dozen.