Preheat oven to 350 degrees F (180 degrees C).
In a mixing bowl, cream the shortening and peanut butter. Add the brown sugar, eggs, and vanilla; mix well.
Combine oats, flour, baking soda, and salt; add to the creamed mixture and mix well.
Drop by the rounded teaspoonfuls onto ungreased baking sheet.Flatten with fork. Bake for 12 minutes or until done.
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