Preheat oven to 425 degrees F.
Place clean pizza stone in oven to preheat.
Dust a clean work surface lightly with flour. Take first of 4 rounds of dough and flatten with fingers and palms until about 1/8 inch to 1/4 inch thick and ovalshaped. Place 1/2 cup ricotta and 1/4 of the dry sausage in upper part of center of rolled dough. Fold dough to form a half moon and then seal the edges. Repeat with other 3 pieces. Place on stone in oven and cook until dark golden brown, about 10 to 12 minutes. Remove from oven and serve immediately.
Recipe Courtesy of Mario Batali