Fill a half sheet pan ¼ in/0.6 cm high with cold water and place another half sheet pan on top. Place a piece of foil on the top sheet pan and place in the freezer.
Make a hole about ⅛ in/0.3 cm in diameter in the top of each tuile so it can be placed over a pear stem. Reserve.
Place the sorbet in a pastry bag with an opening 1 in/3 cm wide. Pipe 12 s