In medium bowl, combine 1 cup flour, salt, and dried yeast, until well mixed.
Add hot water and stir until you have a uniform batter. Continue adding flour, 1/4 cup at a time, stirring until the dough comes together.
Turn out onto a floured surface and knead for 8 minutes.
Place in oiled bowl, cover with plastic wrap, and let rise until doubled, about 40 minutes.
Divide into 6 pieces, roll each into a disk about 8 inches in diameter. Flour and stack on a clean towel to rest for 10 minutes.
Heat griddle on medium-low while lavash rest. Wipe griddle with a light coating of oil and grill lavash for about 2 minutes on a side, oiling griddle before grilling the next.