Clam Chowder Recipe

Name: Clam Chowder Recipe
Ingredients: 2 pounds fresh small clams, such as Manila or 2 (6.5-ounce) cans of clams (see Note); 4 tablespoons unsalted butter; ½ pound bacon, cut into ½-inch pieces; 2 bunches scallions, finely chopped; 4 garlic cloves, minced; 1 jalapeño, thinly sliced (optional); 4 medium Yukon Gold potatoes, diced into 1-inch pieces; ¾ teaspoon sea salt; ½ teaspoon freshly cracked black pepper; 2 tablespoons cornstarch; 2 cups frozen corn; 1 cup heavy cream; Chives, for garnish; Oyster crackers, for serving (optional)