in a lrg bowl, cream the butter, sugars an peanut butter until light an fluffy. beat in eggs an vanilla. combine the flour, salt, bakin soda an baking powder, gradually add to creamed mixture an mix well.
drop by rounded tablespoons 2 in. apart onto ungreased baking sheets. bake at 375 degrees for 9-12 minutes or until golden brown. cool on racks 2 to 5 min an serve ummmmmmm