Bainbridge Island Chunky Clam Chowder

Name: Bainbridge Island Chunky Clam Chowder
Ingredients: 4 strips of bacon; 4 Tablespoons salted butter; 1 large Walla Walla onion (or other sweet variety), diced small; 2 cloves garlic, minced; 1 Cup brunoised celery; 1 ½ Cup brunoised carrots; 2 bay leaves; 2 Cups diced new red-skin potatoes, skin on, washed and dried; 3 Cups clam broth (fresh or bottled); 4 Pounds clams, rinsed and purged to remove sand; 8 Ounces chopped clams, canned or frozen; 3 Cups heavy cream; 1 Cup mashed potatoes; ¼ Cup chopped parsley, for garnish; Kosher salt, to taste; Freshly ground black pepper, to taste; 4 ears pan-charred corn