Preheat oven to 350*F (175*C).

In medium bowl combine flour, cocoa and baking soda; set aside.

In a large bowl, cream butter and sugars together with an electric mixer until fluffy. Add vanilla, peanut butter and eggs; mixing well.

Stir in flour mixture until just mixed. Fold in chips and peanut butter cups.

Drop by tablespoonful on to ungreased baking sheets.

Bake for 8 to 10 minutes. Let cool for 2 minutes on baking sheet before transferring to wire rack to cool completely.