California Pizza Kitchen is a casual-dining restaurant serving up California creativity through its innovative menu items in Oak Brook. Home of the original BBQ Chicken Pizza we also feature a wide variety of other pizzas, salads, pastas, sandwiches, gluten-free and vegetarian options, premium wines, beers, and handcrafted beverages not to mention our delicious desserts! Open for Lunch or Dinner, CPK has something for everyone and now we offer catering and delivery.