Chocolate Caramel Shortbread Bars

Ingredients (9)

• 8 tbsp unsalted butter
• ½ cup light brown sugar
• ½ tsp vanilla extract
• ½ tsp Kosher salt
• 1 cup all-purpose flour
• 1 cup heavy cream
• 1 cup dulce de leche
• 4 large egg yolks
• 5 oz 60%-cacao bittersweet chocolate