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

Heat oven to 350 degrees. Grease bottom of 9x13x2 inch pan. Heat 1/2 cup of the chocolate chips and butter in heavy 1-quart saucepan over low heat, stirring occasionally, 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 or 15 minutes longer or until marshmallows are light brown. Cool completely, cut into 2-inch squares. 30 bars.