Grease a 13 x 9-inch baking pan; set aside. Heat oven to 350 degrees F.
Brownie: Melt chocolate chips and butter in top of a double boiler set over simmering
water, stirring until smooth. Remove from heat.
Beat together eggs and granulated sugar in a medium mixing bowl on medium speed.
Add vanilla extract.
Blend in melted chocolate mixture.
Lower speed, and add sifted flour and baking powder; blend well.
Fold in nuts and remaining 1 cup chocolate chips.
Pour batter into prepared pan.
Bake for 25 minutes.
Frosting: Beat together confectioners' sugar, cream cheese, butter and 4
tablespoons of the milk in a large mixing bowl on medium speed of electric mixer
until smooth. Add additional milk, one tablespoon at a time, to achieve desired
Stir in crushed peppermint candy.
Spread topping over cooled brownies.
Cut into bars.
Top each brownie with additional whole peppermint candy, if desired.