Thick and Creamy Seafood Chowder

Name: Thick and Creamy Seafood Chowder
Ingredients: 2 Tablespoons butter; 1 small onion (diced); 3 ribs celery (diced); 4 cups baking potato (such as Russet, peeled and diced); Water (to cover); 2/3 lb sole filet (cubed (or fish of your choice)); 2/3 lb scallops (whole (or shrimp, lobster etc.)); 4 cups water; 1 bay leaf; 1 /4 medium onion; 1/4 cup butter; 1/2 cup all-purpose flour; 3/4 cup heavy, whipping cream (35% b.f. *see Notes below); 1 pinch nutmeg; Salt and freshly ground pepper (to taste)