Chocolate Caramel Tart

INGREDIENTS

• 1 1/4 cups all-purpose flour
• 1/4 cup unsweetened cocoa powder
• 16 Tbs. (2 sticks) unsalted butter, cut into pieces
• 1/2 cup plus 1 Tbs. confectioners’ sugar
• 1 egg yolk
• 1 tsp. vanilla extract
• 1/2 cup water
• 2 cups granulated sugar
• 1/4 cup light corn syrup
• 2 cups plus 2 Tbs. heavy cream
• 10 oz. semisweet chocolate, chopped
• Fleur de sel for garnish