Preheat oven to 375°
Mix Shortening, Butter, Sugars, Eggs, and vanilla.
Stir in baking soda, salt, and chocolate chips.
Add flour ½ cup at a time, stirring in between.
Drop by rounded teaspoonfuls 2 inches apart on an ungreased baking sheet.
Bake 8 minutes, then take out.
Let sit for 2 minutes, then transfer to parchment paper on counter.