Caramel Egg Custard Tart

INGREDIENTS

• 140 g (1 cup) all purpose flour
• 75 g (1/2 cup) white whole wheat flour
• 15 g (2 tablespoon) cornstarch
• 10 g (1 tablespoon) brown sugar
• 1/2 teaspoon kosher or sea salt
• 125 g (9 tablespoons) unsalted butter
• 1 large egg
• 2 tablespoon water
• 100 g (1/2 cup) white granulated sugar
• 2 tablespoon mild flavored honey (like clover)
• 3 tablespoons whole milk
• 15 g (2 tablespoon) powdered milk
• 18 g (2 tablespoon) cornstarch
• 4 large egg yolks
• 2/3 cup whole milk
• 1 vanilla bean