Sift flours and xanthan gum ... of smooth, elastic dough. Wrap in oiled cling ... width of your pasta machines' rollers. Flour the rollers ... vigorously boiling, salted water.
Remove any rings or other ... sticky, but dryish dough. Gather the dough into ... run through a pasta rolling machine instead of kneading ... smoother with successive rollings.
Preheat oven to 450°F. Generously ... spray. Roll out dough to a 10-inch square on a floured surface. Spread pasta sauce over dough. Reserve 2 ... platter and serve immediately.