In a stand mixer, beat the peanut butter and butter until well blended.
Beat in the sugar, baking powder and baking soda.
Then beat in the egg and the vanilla.
Add in the flour and mix just until combined.
Stir in the peanut butter cups and mini chocolate chips.
Scoop the cookie dough with tablespoons or a cookie dough scoop onto cookie sheets.
Press down lightly with a glass that has been dipped in sugar.
Bake at 375 for 10 minutes. Do not overbake!
Microwave the chocolate chips in a Ziploc freezer bag until they are soft. Knead the bag until the chocolate chips are combined and completely melted. Cut a tiny hole in the corner of the bag. Drizzle chocolate over the cookies.
Allow the chocolate drizzle to dry completely and then store the cookies in an airtight container.