Chocolate Chip Cookie Dough Billionaire Bars

INGREDIENTS

• :
• 1/3 cup unsalted butter, at room temperature
• 1/3 cup granulated sugar
• ½ teaspoon vanilla extract
• ¼ teaspoon salt
• 1 cup all-purpose flour
• 7 ounces soft caramel candies (about 25 candies), unwrapped
• 2 tablespoons heavy cream
• ½ cup unsalted butter, at room temperature
• ½ cup light brown sugar
• ¼ cup granulated sugar
• ¾ cup all-purpose flour
• Pinch of salt
• ½ cup mini semisweet chocolate chips
• 4 ounces semisweet or dark chocolate, chopped
• 1 tablespoon unsalted butter