Preheat oven to 350. In a bowl whisk together flour, cocoa powder, baking soda and baking powder. In another bowl with an electric mixer cream butter, peanut butter and sugar until light and fluffy. Beat in eggs, 1 at a time, beating well after each addition. Beat in flour mixture and stir in chocolate and peanut butter chips.
Drop dough by level tablespoons 2 inches apart onto buttered baking sheets and bake cookies in batches in middle of oven 10 minutes. Cool cookies on racks.
Cookies keep in airtight containers 5 days.
Bake
2007, 2009, 2011