Cinnamon Ginger Cake With Caramel Icing

Ingredients

• 125 grams butter, softened
• 1/3 cup (75g) caster (superfine) sugar
• 1 egg
• 3/4 cup (265g) golden syrup or treacle
• 1 3/4 cup (260g) plain (all-purpose) flour
• 2 teaspoons ground ginger
• 1 teaspoon ground cinnamon
• 1/2 teaspoon bicarbonate of soda (baking soda)
• 3/4 cup (180ml) hot water
• Caramel icing
• 60 grams butter, chopped
• 1/2 cup (110g) firmly packed light brown sugar
• 2 tablespoons milk
• 1 1/2 cup (240g) icing (confectioners') sugar
• 1 teaspoon vanilla extract