Upside-Down Apple Tarts: 2000s Recipes + Menus : gourmet.com

Ingredients

• 1/2 vanilla bean, split lengthwise
• 1 1/4 cups whole milk
• 1/3 cup sugar, divided
• 1 1/2 tablespoons all-purpose flour
• 1 tablespoon cornstarch
• 1 whole large egg
• 1 large egg yolk
• 1 1/2 tablespoon unsalted butter, cut into bits
• 2 lb Golden Delicious apples (about 4)
• 1 lb frozen all-butter puff pastry, thawed
• 3 tablespoons unsalted butter, melted
• 3 tablespoons light corn syrup
• 2 teaspoons water