Recipe: Lemon Potato Chowder

Name: Recipe: Lemon Potato Chowder
Ingredients: 4 tablespoons unsalted butter; 1 medium yellow onion, diced; 1 teaspoon kosher salt, plus more as needed; 1/4 teaspoon red pepper flakes; Freshly ground black pepper; 2 medium stalks celery, diced; 1 medium carrot, diced; 4 cloves garlic, minced; 6 small Yukon Gold potatoes, scrubbed and cut into 1/2-inch cubes; 4 cups (1 quart) low-sodium chicken broth; Finely grated zest of 1 lemon; 2 fresh or dried bay leaves; 3/4 cup half-and-half; 1/4 cup freshly squeezed lemon juice; Fresh parsley leaves, for garnish (optional)