1 c Left-over mashed potato 1/2 c Any green veg, cabbage, etc. 1 Egg This traditional English dish is usually made with leftover mashed potatoes and leftover cooked English cabbage, but any other veg will work. Smash everything together breaking down the green or other veg added to mashed potato. Add the egg and mix well. Add any seasoning you desire and fry in serving size patties till golden on both sides and serve as your carbohydrate for a meal.