Step 1

Mix together the flour being soda and salt in a small bowl.

Step 2

In another bowl,Combine together butter,peanut butter,sugar using a hand mixer or stand mixer or using a whisk.When they are well combined add the vanilla extract and egg.

Step 3

Combine together the wet and dry ingredients.Make sure there are no dry patches left behind.Let the dough chill in the refrigerator for 45 minutes. So cover the bowl with a plastic film and keep it in the refrigerator .

Step 4

Shape into balls, Shape the dough into 1 1/2 inch balls(1 1/2 tbsp or 35-40 g) Place the balls of dough about 3 inches apart on un-greased cookie sheet.Press the top of cookie dough with the tines of a fork to make crisscross imprints.

Step 5

Bake at 350°F  until light brown, about 10-12minutes or until they are lightly golden brown . Remove the cookies from the oven and let cool in their baking sheets for a minute or two.Transfer the cookies to a rack to cool completely.