1 pkg. semi-sweet chocolate chips
1/2 c. butter
1 1/2 c. all-purpose flour
1 c. sugar
1/2 tsp. baking powder
1/4 tsp. salt
2 eggs
2 c. miniature marshmallows
1 c. chopped nuts

Heat 1/2 cup of the chocolate chips and the 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 square pan, 9x9x2 inches. Bake 15 minutes. Sprinkle with marshmallows, nuts, and remaining chocolate chips. Bake until marshmallows are golden brown and wooden pick inserted in center comes clean, 15-20 minutes. Cool completely; cut into 2x1 inch bars. Makes 36 brownies.