Quiche Lorraine recipes

Name: Quiche Lorraine recipes
Ingredients: 2 cups all-purpose flour, plus more for dusting; ½ teaspoon salt; ½ teaspoon granulated sugar; 1 stick unsalted butter, cubed and chilled; ½ cup ice-cold water; 8 ounces thick-cut bacon, cut into ½-inch pieces; 2 medium shallots, thinly sliced; 2 thyme sprigs, plus 1 teaspoon minced leaves, divided; ½ yellow onion, thinly sliced; 1 cup finely grated Gruyère cheese, divided; 2 cups heavy cream; 8 eggs; ¼ cup finely grated Parmesan; 2 tablespoons minced chives; 2 teaspoons kosher salt; 1 teaspoon lemon zest; Pinch cayenne pepper