Potato Cheddar Cheese Pierogi – The team at Srodek’s pays extreme attention to the ingredients we use in our food. We produce and manufacture all of our products, and we take the time to use the freshest ingredients. Our potato cheddar cheese pierogi is a fan-favorite with flavors that make it stand out from our competitors. Our pierogies are fully cooked and just need a quick warm-up, and they are ready to eat.