Preheat oven to 350 F.
In a bowl or stand mixer cream together
2 sticks butter, melted
1 Cup creamy peanut butter
1 Cup white sugar
1 1/2 Cups brown sugar
Mix until everything is creamy
To the mixture, add in
1/2 Cup cocoa powder
Followed by
2 tsp. vanilla extract
2 large eggs
Blending between each addition on low speed
Slowly mix in
3 1/2 Cups flour
2 tsp. baking soda
1/2 tsp. salt
Then stir in
1 Cup Reese's pieces
1 Cup Reese's peanut butter baking chips
Roll dough in 1-2 inch balls and place on a greased baking sheet
Bake for 10-12 minutes or until the edges are just browned