1 (6 oz.) pkg. semi-sweet chocolate chips
2 tbsp. butter (softened)
2 c. Bisquick
1 c. sugar
1/2 tsp. vanilla
2 eggs
2 c. miniature marshmallows
1 c. chopped nuts

Heat oven to 350 degrees.

Grease bottom only of rectangular pan 13x9x2. Heat 1/2 cup of the chocolate chips and the butter in heavy 1 quart saucepan over low heat, stirring occasionally until melted.

Mix Bisquick, sugar, vanilla, eggs and chocolate mixture. Spread in pan. Bake 15 minutes. Sprinkle with marshmallows, nuts and remaining chocolate chips.

Bake 15 minutes or until marshmallows are golden brown. Cool completely. Cut into about 2 inch squares.