Puding Butterscotch Saus Sendiri

Bahan-bahan (6 porsi)

• 1/4 cup (50g) dark brown sugar (, packed (Note 1))
• 1 1/4 cup (185g) plain flour ((all purpose flour))
• 2.5 tsp baking powder
• 100 g / 7 tbsp unsalted butter (, melted)
• 1 egg
• 1/2 cup (125ml) milk ((full or low fat))
• 4 tbsp golden syrup ((Note 2))
• 3/4 cup (150g) dark brown sugar (, packed (Note 2))
• 2 tbsp cornflour / corn starch
• 2 cups (500ml) boiling water
• Vanilla ice cream