Sausage and Lentil Gumbo

Name: Sausage and Lentil Gumbo
Ingredients: 3 ounces diced bacon (or pancetta); Vegetable oil; 1/2 cup all-purpose flour; 1 medium onion; 1 bell pepper (color of your choice); 2 ribs celery; 3 medium cloves of garlic; 1 1/2 pounds Zatarain's Andouille Smoked Sausage; 1 cup red or yellow lentils (split and skinned-style lentils); 1 bunch lacinato kale; 2 quarts chicken stock; 1 bay leaf; 1 teaspoon dried thyme; 1/2 teaspoon ground allspice; 1 1/2 teaspoons creole seasoning, plus more to taste; Salt; Freshly ground black pepper