preheat oven to 375, large mixing bowl, beat shortening & butter, add brown sugar, granulated sugar, & baking soda. Beat until combined, scraping side of bowl occasionally. Beat in eggs and vanilla until combined. Beat in flour, using a wooden spoon, stir in chocolate pieces.

Drop by rounded teaspoons 2 inches apart onto ungreased cookie sheets. Bake for 8-10 mins or until edges are lightly browned. Transfer to wire racks & let cool. Make about 60 cookies