How to make Potato rostie
~ put the shredded potatoes into boiling hot water, boiled for 10 mins, removed the water, pat dry with kitchen towel, set aside
~ heat up the pan with olive oil, sweat the shredded onions & sliced shitake mushrooms till soft, seasoning with salt & pepper, add on shredded potatoes, stir fried till golden brown
~ press the onions, mushrooms & potatoes together, sprinkle the mozzarella cheese on top let it melt on top
~ ready to serve hot!