1, clean the potatoes, peeled into the dish 2, the potatoes into the pot to steam until soft, mashed with a spoon into mashed potatoes 3, add a little salt, pepper, mix well, put the peas, stir evenly 4, the mashed potatoes into the baking dish, sprinkle with cheese as this twice 5, the oven Preheat one hundred and eighty degrees, put the mashed potatoes baked for fifteen minutes 6, sprinkle black pepper, tomato sauce can eat