Weeknight Clam Chowder

Name: Weeknight Clam Chowder
Ingredients: * 1/4 pound nitrate free bacon, about 4 slice, chopped; * 1 large onion, diced, about 1 1/2 cup; * 3 stalk celery, chopped, about 1 cup; * 1 leek, white and light green part only, chopped, about 3/4 cup; * 1 (8 ounce) jar clam juice; * 3 (6.5 ounce) can clam, drained with juice reserved; * 5 medium red potato, diced, about 5 cup; * 1 teaspoon dried thyme; * 1 teaspoon fine grain sea salt; * 1/2 teaspoon ground black pepper; * 6 tablespoon unsalted butter; * 2/3 cup all purpose flour; * 6 cup whole milk