Honduran Corn Tamale

Name: Honduran Corn Tamale
Cuisine: Mexican, Latin American, American
Ingredients: For the Masa (Dough); 2 cups masa harina (corn flour); 1½ cups chicken or vegetable stock (warm); ¼ cup lard or vegetable shortening; 1 tsp baking powder; ½ tsp salt; 1 cup cooked, shredded chicken (or pork, optional); ½ cup diced potatoes (cooked until tender); ½ cup diced carrots (cooked until tender); ½ cup cooked red beans; ½ cup tomato sauce; 1 clove garlic, minced; 1 small onion, finely chopped; 1 tsp cumin; 1 tsp paprika; Salt and pepper to taste; 8-10 fresh banana leaves (cleaned and cut into 12-inch squares); Kitchen twine or strips of banana leaf for tying; ½ cup sour cream (optional, for serving); Honduran Anafre (Bean,