Three Bean Turkey Chili

Name: Three Bean Turkey Chili
Ingredients: 2 tablespoons olive oil; 2 pounds ground turkey (not lean); Kosher salt and freshly ground black pepper; 4 cloves garlic, chopped; 2 stalks celery, chopped; 1 large onion, chopped; 3 tablespoons chile powder; 2 tablespoons tomato paste; One 28-ounce can diced tomatoes; One 15-ounce can pinto beans, rinsed and drained; One 15-ounce can kidney beans, rinsed and drained; One 15-ounce can black beans, rinsed and drained; One 4-ounce can diced green chiles (mild, medium or hot, as desired); 2 cups chicken broth; 1 cup shredded pepper Jack or sharp Cheddar, for topping; 1 cup sour cream, for topping; 1 cup sliced scallions, for topping