1 c. butter, softened
1 c. lightly packed dark brown sugar
1 tsp. vanilla
2 c. all-purpose flour
6 oz. chocolate chips
1 c. chopped nuts

Preheat oven to 325 degrees. In a large bowl, cream butter, brown sugar and vanilla. Add flour, chocolate chips and pecans. Mix well. Press evenly into a lightly greased 10x15 inch cookie sheet. Bake 25-30 minutes. Remove from oven and cut while warm into bars.