Use a knife or pizza cutter to cut the rectangle of dough into strips that are roughly 1/2 inch (1.25 cm) wide. Cut the dough crosswise into another set of 1/2 inch (1.25 cm) strips, ultimately forming 1/2 inch (1.25 cm) squares.
1. You could make the pieces a little bigger, if desired, but keep in mind that larger pieces will take longer to cook.