two clean dish towels.
place potatoes in a large pot and cover with cold water by an inch or two. bring to a boil over high heat. lower the heat and cook at a steady simmer for about 10 minutes more or until the potatoes are tender enough to be easily pierced with the tip of a knife. drain and quickly move to the next step while the potatoes are still hot.
lay one dish towel across your work surface. place a few potatoes at a time on the towel. place a corner of the other dish towel over one potato and press down gently but firmly with the heel of your 