1 telephone
1 set of car keys
1 car
Paper plates
Various assortment of green paper
Napkins

Gently but firmly push buttons on telephone, keep pushing until local pizzeria answers. Walk steadily to car. Place keys in ignition. Proceed to aforementioned pizzeria. Exchange green papers for square white box. Return home and transfer triangular pieces to paper plates. Serve to each member of family with a napkin on the side.