sentence: finely chop an onion sentence: add chopped onion to pan with hot oil and mix sentence: combine pumpkin ricotta pumpkin spice onion salt pepper and bread crumbs in mixing bowl sentence: add flour salt to food processor and pulse sentence: slowly add water to flour mixture and mix sentence: boil water with salt in a large pot sentence: knead dough with hands and roll with rolling pin sentence: lightly dust a plate with flour sentence: using a glass cut circles into the dough sentence: form a ball using leftover dough sentence: pick up circles of dough and fill with stuffing sentence: add pierogis to boiling water and gently stir sentence: remove pierogis from water and place on a plate sentence: spray pierogis with nonstick spray