For dough 1 (1/4-oz) package active dry yeast (2 1/4 teaspoons) 1 3/4 cups unbleached all-purpose flour 3/4 cup warm water (105-115°F) 1 teaspoon salt 1/2 tablespoon olive oil For topping 1/3 cup Vin Santo 1 tablespoon sugar 1 1/2 cups red seedless grapes (9 oz), halved lengthwise 5 oz Italian Fontina, rind... (Continue reading)