In a frying pan start frying the onion until lightly brown

Add the par boiled potatoes to the onions and shallow fry until the potatoes are browned all over

Add the tomatoes, salt and pepper, and cook for a further 2 min until tomato softens

Mix the egg with a fork, add some herbs to the egg before pouring over the potatoes, fold and cook, until the egg is cooked through about 1 min

Transfer to a plate and top with more herbs