Dinner Ladies' Korean skirt steak with ginger-spring onion dipping sauce - 9Kitchen

Ingredients

• 4 × 200g skirt steaks
• 10ml peanut or other mild-flavoured oil
• baby cos lettuce leaves, to serve
• 1½ tablespoons soy sauce
• 2 teaspoons white sugar
• 1 tablespoon mirin
• 2 cloves garlic, crushed
• 3 spring onions, ends removed and finely sliced
• 3cm piece ginger, peeled and sliced
• 10ml sesame oil
• 2 tablespoons sesame seeds, toasted
• 1 clove garlic, peeled and crushed
• 4 spring onions, ends removed and finely sliced
• 2 tablespoons white rice vinegar
• 2 teaspoons caster sugar
• 1 tablespoon (or to taste) gochujang (Korean hot pepper paste)
• 1 tablespoon water