Ciabatta

Name: Ciabatta
Prep time: 30 min
Total time: 30 min
Cuisine: Italian
Ingredients: 1 teaspoon active dry yeast; 5 tablespoons (2 1/2 ounces) warm milk; 1 cup plus 3 tablespoons (9 1/2 ounces) water, at room temperature (if using a food processor, use cold water); 1 tablespoon (1/2 ounce) olive oil, plus more for the bowl; 2 very full cups (17 1/2 ounces) biga, rested for 12 hours; 3 3/4 cups (17 1/2 ounces) unbleached all-purpose flour, plus more for the work surface; 1 tablespoon (1/2 ounce) salt; Cornmeal