1 (6 oz.) pkg. semi-sweet chocolate chips
2 tbsp. butter
2 c. Bisquick
1 c. sugar
2 eggs
1/2 tsp. vanilla
1 c. miniature marshmallows
1/4 c. nuts, chopped

Heat oven to 350 degrees. Grease bottom of 13 x 9 x 2 inch pan. Heat 1/2 cup of the chocolate chips and the butter in heavy 1-quart saucepan over low heat, stirring until melted. Mix baking mix, sugar, vanilla and eggs. Stir in chocolate mixture; spread in pan. Bake 15 minutes. Sprinkle with marshmallows, nuts and remaining chocolate chips. Bake 10 to 15 minutes or until marshmallows are light brown. Cool completely, cut into about 2 inch squares. Makes 30 bars.