Tempura Salt and Pepper Potatoes with Mirin Dressing

Ingredients

• 1 cup (150g) rice flour
• 1 3/4 cup (255g) cornflour
• 1 1/4 cup (310ml) chilled soda water
• 500 gram bintje potatoes, peeled
• vegetable oil, for deep-frying roasted salt and pepper spice
• 1 tablespoon sea salt flakes
• 2 cinnamon sticks
• 4 star anise
• 1/2 teaspoon japanese pepper
• 1 clove garlic, crushed
• 4 centimetre piece fresh ginger, chopped finely
• 2 fresh small red thai chillies, sliced thinly
• 1/2 cup (125ml) water
• 1/4 cup (60ml) japanese soy sauce
• 1/4 cup (55g) sugar
• 1/4 cup (60ml) mirin
• 1 1/2 tablespoon rice wine vinegar