In a medium bowl, mix the flour, baking soda, and salt. Set aside.
2 ¼ cups All-purpose flour, 1 teaspoon Baking soda, 1 teaspoon Salt
Using a mixer, beat the melted butter (make sure it is cooled to room temperature), brown sugar, and sugar on high speed for 2 minutes. It will become pale in color.
1 cup Unsalted butter, 1 ¼ cup Brown sugar, ¾ cup White granulated sugar
Add the peanut butter, vanilla, and eggs. Mix on medium speed until combined. Add in the dry ingredients and mix on low speed.
1 cup Peanut butter, 1 teaspoon Pure vanilla extract, 2 Large eggs
Preheat the oven to 350°F. Line two cookie sheets with parchment paper. Let the cookie dough sit for 10 minutes This helps to prevent spreading.
Scoop the dough using a 2 oz cookie scoop or 2 TBSP. Scoop 6 cookie dough balls per cookie sheet.
Bake 1 cookie sheet at a time. Bake for 9-11 minutes.
Let the cookies sit on the hot pan for 5 minutes before transferring to a cooling rack. Cool cookies completely before decorating.