Ingredients: (Serves 2-3)  
1kg/2 lb 3oz potatoes
250ml/9fl oz milk
30g/1oz butter
1 tbsp oil
1 onion, finely chopped
Handful of frozen peas
1 egg, beaten
150g/5½ oz chopped ham
Bunch of chives, chopped
100g/3½ oz grated cheddar
Salt, pepper

Method:
1. Peel the potatoes and boil them until tender; drain and mash with milk and butter.
2. Heat the oil in a small pan, add onion and cook for 3-5 mins, then add to the potatoes.
3. Cook the peas in boiling water for 3 mins (or in a microwave), drain and add to the potatoes.
4. Stir in the beaten egg, ham, chives and half of the grated cheese. Season with salt and pepper.
5. Transfer to a large shallow ovenproof dish greased with oil or butter, spread evenly and sprinkle with the remaining cheese.
6. Bake at 200°C/fan 180°C for approx 30 mins until golden. Serve with some side salad.