Changzhi fried pork

Ingredients

• 300 g pork belly (thinly sliced)
• 150 g green peppers (sliced)
• 100 g potato (thinly sliced)
• 2 tbsp soy sauce
• 1 tbsp dark soy sauce
• 1 tbsp vinegar
• 1 tsp sugar
• 3 cloves garlic (minced)
• 2 scallions