Blend 2 cups flour, yeast, salt and sugar in processor.
Combine hot water and 1 tablespoon oil in glass measuring cup.
With machine running, add water mixture through feed tube and process until elastic and uniformly moist dough forms that just cleans inside of work bowl, about 40 seconds.
If dough is sticky, add more flour by tablespoons, incorporating each addition before adding next.
If dough is dry, add water by tablespoons, incorporating each addition before adding next.
Gather dough into ball.
Transfer to greased bowl, turning to coat entire surface.