Preheat the oven to 350°F
Cream the sugar and butter together
Add the eggs one at a time and beat them in
Add the vanilla and stir to combine
Beat in the peanut butter
Add the baking soda and salt to the flour and stir together
Add the flour to the peanut butter mixture
Stir just to combine, scrape down the bowl, and stir again
Roll into 1-inch balls
Place 12 on a baking sheet
Dip a fork in a bowl of water
Make crosshatch patterns on the top of each cookie with the damp fork tines
If the fork sticks to the dough, dip it in the water again
Bake the cookies for 10-12 minutes until they're set and lightly browned
Let the cookies cool on the baking sheet for 1-2 minutes
Remove to a baking rack to cool completely
Store in an airtight container for 3-4 days. They actually taste better the next day