Japanese katsudon - Good Food Middle East

Ingredients

• 1 tsp vegetable oil
• 1 large onion, sliced
• 1 breaded pork fillet– use leftover tonkatsu (see recipe below), sliced
• 150ml dashior stock
• 1 tbsp soy
• 1 tsp mirin
• 1 tsp sugar
• 2 large eggs, beaten
• 200g cooked rice
• finely chopped chives, to serve