Cornbread and Gorgonzola Dressing

1 1/2 cups flour

1/2 cup cornmeal

1/3 cup sugar

1 tablespoon baking powder

1 1/2 teaspoons salt

5 1/4 cups milk

8 large egg s

4 ounces dried porcini mushroom s

2 leek s, halved lengthwise, rinsed well, white and light green parts thinly sliced

3 cloves garlic , minced

2 shallot s, minced

4 fresh sage leaves, minced

12 ounces baguette or similar French bread, cut into 1/2-in. cubes

10 ounce gorgonzola dolce cheese