Cook bacon for 8 minutes and transfer them to a plate lined with paper tissues.
Add unsalted butter, chopped onions, and celery. Cook for 4 more minutes. Add garlic, and vegetables, and sprinkle the flour, and saute it for 2 minutes. Then, add the milk and clam juice.
Add clams and cook for 3 minutes. Cook broth for 8 minutes.
Add bay leaves, potatoes, milk, Kosher salt, and ground black pepper, and cook for 15 minutes.
Cut clam flesh. Strain clam juice and clam meat.
Blend strained solids and potatoes for 2 minutes.
Return this liquid and the strained solids into the Dutch oven and pour heavy cream. Stir well to combine them.
Heat until simmering. Add black pepper and salt. Add oyster crackers, cooked bacon, chives, and fresh parsley. Serve immediately!