Traditionally it is fried but I bake these individual 'cakes' and they still go lovely and crispy but don't have the fat or syns. I do three things slightly differently from the traditional method . I don't fry I bake it, I use a beaten egg to give extra creaminess to the potato and I add in chopped fried onions (fried in low cal oil spray). I find these differences make it taste like its made with butter in the potato and the onions adds extra flavour.
You can of course use leftover 'real' mashed potato I just happened to have some instant potato powder in the cupboard.
Bubble and squeak
1 packet instant potato powder
1/2 large onion (chopped)
8oz cooked cabbage (of whatever leftover veg you have) chopped
1/2 tsp salt and 1/2 tsp pepper
1 beaten egg
Place the onion in a frying pan and spray with the oil and fry gently until the onion is soft and slightly browned.
Make up the mashed potato according to instructions but use 100ml less water than it says. In a large bowl mix the leftover vegetables and the onion into the mash with the seasoning and mix well then add the beaten egg and mix again.
Line a baking tray with greaseproof paper and drop spoonfuls of the mixture on to it. Spray lightly with the spray oil and bake at gas 6 /200/ 400 for 20 minutes until browned and crispy.
Syn free on green and extra easy.