Ingredients
- 170g Unsalted Butter
- 70g Walnuts
- 150g White Sugar
- 1 Egg
- 1 teaspoon Vanilla Extract
- 300g All Purpose Flour
- 1 teaspoon Baking Powder
- ¼ teaspoon Salt
- 100g Muscovado Sugar
- 1 tablespoon Ground Cinnamon
- 30g Butter
- 30g Maple Syrup
- 50g Icing Sugar
- 2 tablespoons Water