Chicken Corn Chowder

Name: Chicken Corn Chowder
Ingredients: 6 ears corn on the cob (see notes); 6 slices bacon (chopped); 1/2 cup chopped scallions (greens and whites separated); 3 medium potatoes; 2 tablespoons all-purpose flour; 3 cups whole milk; 2 cups chicken stock; 2 teaspoons Old Bay seasoning; 1 teaspoon dried parsley flakes; 1/2 teaspoon dried thyme; 1/4 teaspoon cayenne pepper; 4 ounces diced green chiles; 2 cups shredded, cooked chicken; Salt and pepper (to taste); handful of grated cheddar (for garnish)