Irish Boxty PotatoesServes 4300g leftover mash potatoes300g rooster Potatoes, peeled50ml olive oilsalt and pepperGrate the potatoes into a large bowl. Add the mash potatoes and season well. stir until well combined.Heat the oil in a pan over a medium to low heat, add thick discs of the grated potatoes mixture and press on the pan to make sure it is sticking together. Cook for 3 -4 minutes until the base of the boxty is golden brown. flip over and continue cooking for a further 3 -4 minutes depen