1In a bowl, combine peanut butter, sugar, eggs, and vanilla.
2Mix until nice and smooth, ensuring to use smooth peanut butter.
3Add all other ingredients and stir until you get a nice smooth batter.
4Scoop out two half teaspoon balls, push them together, and mold them into a peanut shape, or use a peanut cookie cutter/press, or just make round cookies.
5Create a design on the cookies with a fork.
6Bake at 350° for 8 to 10 minutes (or up to 12 minutes for crunchier cookies).
7While cookies are baking, make the filling by stirring together a few simple ingredients.
8Let your cookies cool completely.
9Place about a tablespoon of filling in each cookie. Piping the filling is easier.