Parkin from The Official Downton Abbey Afternoon Tea Cookbook by Downton Abbey

Ingredients

• ¼ teaspoon salt
• 1 egg
• 1¼ cups (160 g) flour, plus more for the pan
• ½ cup (170 g) black treacle or blackstrap molasses
• 1½ teaspoons mixed spice or pumpkin pie spice
• ¾ cup (150 g) firmly packed dark brown sugar
• ½ cup (115 g) unsalted butter, plus more for the pan
• 2 teaspoons ground ginger
• 1 cup (175 g) steel cut oats
• 2 teaspoons baking powder
• 3 tablespoons milk
• ½ cup (170 g) golden syrup