1/2 c. butter
1 sq. unsweetened chocolate or 1 env. pre-melted chocolate
1 c. sugar
1 c. flour
1/2 - 1 c. chopped nuts
1 tsp. baking powder
2 eggs

FILLING:

8 oz. pkg. cream cheese, softened (reserve 2 oz. for frosting)
1/2 c. sugar
2 tbsp. flour
1/4 c. butter, softened
1 egg
1/2 tsp. vanilla
1/4 c. chopped nuts
6 oz. pkg. (1 c.) semi-sweet chocolate pieces

FROSTING:

2 c. miniature marshmallows
1/4 c. butter
1 sq. unsweetened chocolate
Remaining 2 oz. cream cheese
1/4 c. milk
3 c. powdered sugar
1 tsp. vanilla

Preheat oven to 350 degrees. Grease (not oil) and flour 13x9 inch pan.

Over low heat melt butter and chocolate.

(Lightly spoon flour into measuring cup and level off.)

Add remaining BAR ingredients, mixing well. Spread in prepared pan.

In small bowl, combine cream cheese (6 ounce) with next 5 FILLING ingredients. Beat 1 minute at medium speed until smooth and fluffy. Stir in nuts. Spread over chocolate mixture. Sprinkle with chocolate pieces.

Bake 25-30 minutes until toothpick inserted in center comes out clean. Remove from oven. Sprinkle with marshmallows. Bake 2 minutes longer.

Meanwhile, in large saucepan, over low heat, melt butter, chocolate, remaining 2 ounce cream cheese and milk. Stir in powdered sugar and vanilla until smooth. Immediately pour over marshmallows and swirl together. Cool and cut into bars. Store in refrigerator. 3-4 dozen bars. High altitude: No change.