New England Clam Chowder

Name: New England Clam Chowder
Ingredients: 6 slices thick-cut bacon (cut into 1-inch pieces); 3 tablespoons butter; 2 leaks (tops removed, cleaned and thinly sliced); 3 stalks celery (chopped); 3 cloves garlic (minced); 1 and 1/2 pounds red or Yukon gold potatoes (cut into 1/2-inch cubes); 1/2 cup white wine (I used Pinot Grigio); 8 ounces clam juice; 2 cups chicken stock; 2 bay leaves; 1 teaspoon Italian seasoning; 2 10-ounce cans clams; 2 cups heavy cream; 3 tablespoons cornstarch; Kosher salt and pepper; Chopped parsley for serving