Turkey Pumpkin Chili

Name: Turkey Pumpkin Chili
Ingredients: 1 tablespoon extra-virgin olive oil; 1 medium yellow onion, chopped; 1 small green bell pepper, chopped; 3 cloves garlic, minced; 1 pound ground turkey; 1 (14.5 ounce) can fire-roasted diced tomatoes, undrained; 1 (15 ounce) can no-salt-added black beans, rinsed; 1 (15 ounce) can unseasoned pumpkin puree; 1 ½ cups water; 1 tablespoon chili powder; 1 ½ teaspoons ground cumin; 1 teaspoon smoked paprika; ¼ teaspoon ground pepper; ⅛ teaspoon salt; 2 cups packed chopped curly kale leaves; 4 tablespoons sour cream; Chopped fresh cilantro for garnish