Ingredient:

• 2 tablespoons butter
• 2 cups chopped onion
• 4 fresh mushrooms, sliced
• 1 stalk celery, chopped
• 4 cups chicken stock
• 4 cups diced potatoes
• 2 pounds cod, diced into 1/2-inch cubes
• 1 cup clam juice
• ½ cup all-purpose flour
• ⅛ teaspoon Old Bay Seasoning, or to taste
• salt and ground black pepper to taste
• 2 (12 fluid ounce) cans evaporated milk
• ¼ cup cooked crumbled bacon