1 c crunchy peanut butter, preferably organic (see if peanut butter’s one of the 6 foods you should always buy organic)
1 c brown sugar
1/2 tsp baking soda
1 lg egg, lightly beaten
1 tsp all-purpose flour
1 tsp vanilla extract
HEAT oven to 350°F. Coat several large baking sheets with cooking spray.
COMBINE peanut butter, brown sugar, baking soda, and ¼ tsp salt in bowl. Add egg and vanilla extract and beat until smooth.
SHAPE dough into 24 balls and arrange on prepared pans. Dip tines of a fork into flour and gently press a crisscross pattern into top of each cookie.
BAKE until lightly browned on bottom, 10 to 12 minutes. Transfer to rack to cool. Store in airtight container at room temperature.