Korean Beef Tacos

Ingredients

• 1 lb (450g) beef sirloin or flank steak, thinly sliced
• 8 small taco-sized tortillas
• 2 tablespoons soy sauce
• 2 tablespoons sesame oil
• 1 tablespoon brown sugar
• 3 cloves garlic, minced
• 1 tablespoon ginger, grated
• 1 tablespoon gochujang (Korean chili paste)
• 1 tablespoon rice vinegar
• 1 tablespoon vegetable oil
• 1 cup kimchi, chopped
• 1 cucumber, thinly sliced
• 2 green onions, chopped
• 1 tablespoon sesame seeds
• Fresh cilantro, chopped (optional)
• Lime wedges (optional)