1 (6 oz.) pkg. chocolate chips
1/2 c. butter
1 1/2 c. flour
1 c. sugar
1/2 tsp. baking powder
1/2 tsp. vanilla
1/4 tsp. salt
2 eggs
2 c. sm. marshmallows
1 c. chopped nuts

Heat 1/2 cup chocolate chips and butter over low heat until melted; cool. Heat oven to 375 degrees. Mix flour, sugar, baking powder, vanilla, salt, eggs and chocolate mixture. Spread in ungreased 9"x9"x2" square pan. Bake 15 minutes. Sprinkle with marshmallows, nuts and remaining chocolate chips. Bake until marshmallows are golden brown and wood toothpick inserted in the center comes out clean, 15 to 20 minutes. Cool completely. Cut into 2"x1" bars. Serves 24.