sentence: combine flour and salt in a bowl sentence: add two eggs into water and mix it well sentence: combine the wet and dry ingredients sentence: knead the dough and cover it sentence: roll the dough and cut out shapes sentence: place a scoop of potato and cheese on top for the round slices sentence: shape to dough to cover the filling and seal it sentence: cook the pierogi in boiling water sentence: heat a pan with butter and fry the pierogi and onions