Preheat oven to 350 degrees F and grease/line a baking sheet with parchment paper
In a large bowl cream together the sugar and butter
Next mix in peanut butter and cream again with hand mixer
Add in egg and vanilla and mix together until creamy
Add in flour and baking powder until dough is fully formed
Scoop about 1-2 tablespoons of dough into your hand and roll into a ball then add to baking sheet and press down with a fork to make the criss cross look
Repeat for remaining cookie dough, leaving about 2 inches of space between each cookie
Sprinkle sea salt across the cookies
Bake in oven for 12-15 minutes or until edges are golden
Allow the cookies to cool for a few then add to cooling rack and enjoy!
Notes
*Store in airtight container for 5 days or freezer for 2 months