Preheat oven to 375°F. Mix peanut butter, shortening, sugars, eggs, and vanilla until creamy. Stir together flour, baking soda, and salt. Add to creamed mixture and blend well. Fold in chocolate chips.
Using a medium ice cream scoop, drop dough 2 inches apart onto flat baking sheet.
Bake 10-15 minutes. Cool about 2 minutes and remove to cooling rack.