Tahini Billionaire Bars Recipe | Epicurious

Ingredients

• Nonstick cooking oil spray or vegetable oil (for pan)
• 1 cup (125 g) all-purpose flour
• ¾ cup (83 g) powdered sugar
• ⅓ cup toasted sesame seeds
• ¾ tsp. Diamond Crystal or ½ tsp. Morton kosher salt
• ½ cup (1 stick) chilled unsalted butter, cut into (½") pieces
• 2 large egg yolks
• 1¼ cups (packed; 250 g) light brown sugar
• ½ cup (1 stick) chilled unsalted butter, cut into 8 equal pieces
• ¾ cup heavy cream
• 2 tsp. Diamond Crystal or 1 tsp. Morton kosher salt
• ½ cup tahini
• 1 tsp. vanilla extract
• 6 oz. bittersweet chocolate (65%–75% cacao), coarsely chopped
• Toasted sesame seeds (for serving)