Katsudon

• 1 piece tonkatsu
• 2 eggs
• ¼ onion

Slice the tonkatsu into 2 cm (¾ in) strips. Break the eggs into a bowl and mix. Peel and cut the onion into 5 mm (¼ in) slices. Add the dashi and onion to a small frying pan and bring to the boil on a medium heat. Add the sugar, mirin and soy sauce, and continue cooking until the onion is tender. Add the pieces of tonkatsu and cook for another 2 minutes, then add the eggs. Once the eggs start t