Preheat oven to 350* and grease cookie sheets. Beat PB and sugar in large bowl until smooth. Add beaten egg and baking soda to PB mixture and beat until well mixed. Roll dough into balls, place 1" apart on cookie sheet and flatten w/tines of fork making criss-cross pattern. Bake until puffed and golden pale, about 10 min. cool cookies on baking sheet 2 min. and then transfer to rack to cool.
Makes about 2 doz.
Not a NESTLÉ®-tested recipe.