4 sq. unsweetened chocolate
1 c. butter
2 c. sugar
4 eggs, room temperature
1 c. flour
1 tsp. vanilla
2 c. miniature marshmallows
1 c. chopped pecans
1 c. chocolate chips
1/2 c. chocolate chips for topping

Melt chocolate and butter in a large saucepan. Add sugar and mix using a wire whisk. Add eggs, one at a time. Add flour and vanilla; mix well. Add marshmallows, pecans and 1 cup chocolate chips. Pour in a greased 13x9 inch pan. Top with remaining 1/2 cup chocolate chips. Bake at 350 degrees for 40 minutes.