In a medium bowl, combine peanut butter, sugar and eggs. Mix well with wooden spoon till smooth and well-blended. Stir in chocolate chips and nuts.
Drop by rounded tablespoonfuls on ungreased cookie sheets two inches apart. Bake 10 to 12 minutes or till lightly browned. Cool on cookie sheets for a few minutes than transfer to wire rack. Cool completely. Store in airtight containers up to a week