sentence: combine flour salt and sour cream sentence: knead the dough unil elastic sentence: mix potatos salt cheese butter and parsley sentence: thinly roll out the dough sentence: cut circles out of the dough sentence: place the stuffing in the center of the wrappers sentence: place the cabbage on the stuffing sentence: fold the wrapper over and press the edges together sentence: add salt and the perogies to the water sentence: fry the onions in a pan with salt pepper and herbs sentence: move the pierogies to the pan