Honeyed Walnut Tart

Name: Honeyed Walnut Tart
Ingredients: 1 1/2 cups all purpose flour; 1 /4 teaspoon fine sea salt; 7 tablespoons chilled unsalted butter, cut into 1/2-inch cubes; 5 tablespoons (or more) ice water; 3 cups toasted walnuts, chopped; 1 1/2 cups (packed) golden brown sugar; 2 tablespoons finely chopped candied orange peel; 2 teaspoons finely grated lemon peel; 1 1/2 teaspoons finely grated orange peel; 3 large eggs; 3 tablespoons honey; 3 tablespoons fresh lemon juice; 1 tablespoon orange-flower water*; 1 egg, whisked to blend with 2 teaspoons water (for glaze)