Stir-Fried Pork Belly (Jeyuk Bokkeum)

Ingredients

• 3 tbsp Gochujang sauce
• ½ tbsp brown sugar
• 1 tbsp soy sauce
• 1 tbsp mirin
• ½ tsp hot pepper flakes
• ⅛ tsp freshly ground black pepper
• 1 lb pork belly, thinly sliced
• 4 garlic cloves, finely chopped
• 1 onion, sliced
• 6 sliced ginger
• lettuce, to serve
• toasted sesame seeds, for garnish (optional)
• kimchi, to serve (optional)
• steamed rice