Classic Peanut Butter Blossoms

0 In a large mixing bowl, cream together the butter and peanut butter. Add in the sugars and mix until well combined.
1 Add in the egg and vanilla extract and mix until incorporated.
2 Pour in the flour, baking soda, and sea salt and mix. The batter will be a little crumbly, but should be able to roll together into balls. 
3 Roll the dough into 20-24 balls. Put about ⅓ cup of granulated sugar in a bowl, and roll each dough ball in additional granulated sugar.
4 Bake at 350F degrees for 8-10 minutes. Once they're done, remove from the oven and press in your peanut butter cup. Let cool for 5-10 minutes on the pan and then move to a wire rack. Enjoy!