Preheat your oven to 375 degrees, Line two cookie trays with parchment paper.
Combine the flour, baking powder, salt, and baking soda in a large bowl. Whisk gently to combine and set aside.
Mix the butter and peanut butter until fully combined in the bowl of an electric mixer.
Add both sugars. Mix on low until fluffy.
Stir in the eggs and vanilla extract until incorporated into the dough. Slowly add the dry ingredients.
Use a spoon or cookie scoop to create 1" dough balls. Place 2 inches apart on your prepared cookie sheets. Gently press down with your fork creating those classic peanut butter cookie marks.
Bake 10 minutes or just until the bottoms start to lightly brown.