In a large bowl, cream peanut butter, butter and sugars. Add eggs, 1 at a time, beating well after each addition. Add baking soda and vanilla. Add oats, M&M's, butterscotch chips and peanuts; let stand for 10 minutes. Stir in flour (the dough will be crumbly)., Shape by 1/4 cupfuls into balls. Place on greased baking sheets, about 9 cookies on each sheet. Gently flatten cookies. Bake at 325° for 15-18 minutes or until edges are lightly browned. Remove to wire racks.