High protein Japanese-style Chicken and Waffles

Ingredients

• 2 teaspoons soy sauce
• 1½ teaspoons sake
• 1 teaspoon grated ginger
• 4 chicken thigh fillets, each cut into 4 pieces
• 30g sour cream
• 1 tablespoon lemon juice
• 2½ teaspoons soy sauce, extra
• 2 teaspoons tahini
• 60g red cabbage, thinly sliced
• 60g carrot, cut into thin strips
• 50g snow peas, thinly sliced
• 50g kohlrabi, cut into thin strips
• 140g plain flour
• 40g buckwheat flour
• 40g unflavoured whey protein isolate (wpi)
• 20g caster sugar
• 2 teaspoons baking powder
• ¾ teaspoon salt
• ½ teaspoon ground ginger
• 250-280ml full cream milk, warmed
• 60g unsalted butter, melted
• 2 eggs, separated
• 1 litre vegetable oil, for deep frying
• 80g potato flour
• 15g unflavoured whey protein isolate, extra
• 1 tablespoon toasted sesame seeds, to garnish
• Mayonnaise, for serving