Pajeon (Savoury Seafood Pancake)

Name: Pajeon (Savoury Seafood Pancake)
Prep time: 45 min
Cook time: 45 min
Total time: 45 min
Yield: 2 pieces
Ingredients: 1 garlic clove; 2 Tbsp dark soy sauce; 1 Tbsp water; ½ Tbsp brown rice vinegar; ½ Tbsp sesame oil; 1 spring onion; 1 tsp caster sugar; 1 tsp toasted sesame seeds; 1 pinch dried chilli flakes; 2 garlic cloves; 20 g fresh root ginger; 90 g plain flour; 2 Tbsp cornflour; ½ tsp fine sea salt; 180 g water; vegetable oil; 10 spring onions; 250 g raw, unpeeled large prawns; 1 fresh red chilli; 2 large eggs