In large bowl, combine 2 cups flour, the yeast and salt. With electric mixer, slowly beat in water; beat 2 minutes, occasionally scraping bowl with rubber spatula. With mixer on medium speed, beat in 1/2 cup flour; beat 2 minutes, unti dough is stiff. Stir in 1 1/2 cups flour. Sprinkle clean work surface with 1/4 cup flour. Knead dough on floured surface, 6-8 minutes. Spray large bowl with nonstick spray. Place dough in bowl; cover with plastic wrap and kitchen towel. Let rise 1 hour or until doubled in volume. Punch down dough; let rest 15 mintues. Divide dough in half. Sprinkle clean work surface with 2 T flour. Roll 1/2 of dough into 13" round; lift onto a 12" pizza pan. Pinch edges to form a rim. Exchanges: 1 1/2 B. Per serving: 116 cal, 0 gm fat.