In large pot, sauté
bacon, onion, and celery in 1 Tbs butter (do not brown
bacon). Add garlic, thyme, bay leaves, clams, and clam
juice. Bring to a boil.
Melt 1 cup butter in
medium skillet. Add flour and cook for 5 minutes.
Add butter/flour mixture to boiling clam mixture, stirring
constantly until thickened. Add cooked potato, heavy
cream, salt, and pepper.
Simmer 15 minutes and
serve.