Millionaire Shortbread

Bahan-bahan (36 porsi)

• 2 cups all-purpose flour
• 1 cup butter
• ½ cup granulated sugar
• 1 cup unsalted butter
• 1 cup brown sugar
• 14 ounces sweetened condensed milk (1 can )
• 4 tablespoons corn syrup
• ¼ teaspoon salt
• 1 ½ cups chopped dark chocolate (or chips)
• ⅓ cup heavy whipping cream (or any kind)
• flaked sea salt (for garnish, optional)