Preheat the oven to 350 degrees. Grease your cookie sheets, or line them with foil or parchment paper.
Cream together the butter and peanut butter
In a separate bowl, mix together the flour, salt, and baking soda. Add it to the butter mixture about a third at a time. Mix together until completely combined.
Take a fork and make a cross hatch pattern across the top.
Then sprinkle a little sugar on the top of each cookie.
Add Sugar to the top of The best Peanut Butter Cookies. Bake cookies for about 7-8 minutes or until they are firm.