1 tablespoon vegetable oil
1 cup chopped onion
1/2 green bell pepper, chopped
1/2 yellow bell pepper, chopped
1 (4 ounce) can chopped green chiles
1 large clove garlic, minced
1 pound ground turkey
1 (14.5 ounce) can diced tomatoes
1 (14.5 ounce) can red kidney beans
2 cups (1 14.5 ounce can) pumpkin puree
1 1/2 tablespoons chili powder
1/2 tablespoon cumin
3/4 teaspoon salt
1/2 teaspoon freshly ground black pepper
Cayenne pepper to taste (at least 3 good shakes)
1/4 cup fresh cilantro, chopped
1/2 cup shredded Cheddar cheese (optional)
1/2 cup sour cream (optional)