vegetable oil, for cooking the eggs, eggs, beaten and precooked (left to cool before slicing into strips), dry shiitake mushrooms, finely sliced (rehydrated with 1/2 cup boiled water), vegetable oil (or any cooking oil of preference), Chinese dried sausages or 3 frankfurters, sliced, spring onions, finely sliced (stalk part for cooking, green part for garnish), peas (defrosted peas), sweetcorn (tin or defrosted, optional), cooked left over rice, soy sauce, to taste, oyster sauce, to taste, ground white pepper, to taste