Preheat oven to 375 degrees. Convection setting is great for cookies!
Add butter, peanut butter & sugars to a standing mixer. Mix until combined and then whip for 2-3 minutes until lighter in color & texture
Add vanilla and eggs, stir until combined
In a separate bowl mix together flour, soda & salt
Turn standing mixer on low and slowly pour in the dry ingredients
Mix dough just until it comes together
Scoop 12 cookies out onto a light metal cookie sheet that is lined with parchment paper
Press the balls down & set a Reese' Caramel Big Cup on each flattened dough.
Scoop another cookie dough ball into your hands, flatten between your hands and cover the Big Cup with the flattened dough. Press the edges of the dough together to fully encased