German Style Potato Balls
["4 lb. all-purpose or mashing potatoes", "2 egg yolks", "1 tsp. salt", "1/4 tsp. pepper", "2/3 c. flour", "1 c. toasted bread cubes"]
["Cook potatoes in skins; cool, then remove skins.", "Potatoes are then riced into a large pot, lined with a towel to absorb the moisture.", "Allow to stand, covered with another cloth, overnight."]
["all-purpose", "egg yolks", "salt", "pepper", "flour", "bread cubes"]