In large bowl, mix 2 cups of the flour, the sugar, salt and yeast. In 1-quart saucepan, heat water and oil until very warm (120° F to 130° F). Add warm liquid to flour mixture; beat with electric mixer on low speed until moistened, scraping bowl frequently. Beat on medium speed 3 minutes, scraping bowl frequently. With spoon, stir in 2 1/2 to 3 cups of the flour until dough pulls cleanly away from side of bowl.