Southwest Chowder

Name: Southwest Chowder
Ingredients: 4 ears corn, husks and silks removed; 2 dried chipotle peppers; 1 cup hot water; 2 teaspoons olive oil; 1 1/2 cups chopped onions; 1 cup sliced celery; 2 cloves garlic, minced; 1 1/2 teaspoons ground cumin; 5 cups defatted reduced-sodium chicken broth; 8 ounces yukon gold potatoes, cubed; 1 bouquet garni; 2 cups peeled and cubed butternut squash; 1 roasted sweet red pepper, chopped; 1/4 cup all-purpose flour; 2 cups 1% low-fat milk