2 tablespoons olive oil
1 medium yellow onion, finely chopped (about 1 cup)
1 celery stalk, finely chopped (about 1/2 cup)
1/2 teaspoon ground coriander
1/4 teaspoon ground cumin
1/8 teaspoon cayenne pepper
1/2 cup dry white wine
3 Yukon gold potatoes, peeled and cut into 1/2-inch pieces (about 2 1/2 cups)
2 cups homemade or low-sodium store-bought chicken stock
1 cup nonfat milk
3 cups fresh corn kernels (from about 6 ears of corn)
1 1/4 teaspoons coarse salt
Freshly ground pepper, to taste
2 ounces sharp white cheddar cheese, grated (about 3/4 cup)