Pan Fry on medium heat with butter or oil from frozen (or defrosted) and fry on both sides until golden brown and heated all the way through, this process usually takes about 10 minutes.
Oven Bake by placing frozen pierogi onto a cooking sheet and bake at 425F for about 10 minutes per side or until heated all of the way through, this process usually takes about 20 minutes
Air Fry by placing the frozen pierogi into the air fryer for about 8 minutes at 425F or until golden brown, this process cooks equally on all sides so there is no need to flip or change the placement of the pierogi
Any way you decide to cook them, they are best served with fried onions, sour cream, bacon bits or vegan substitutes. Get creative and have fun with your unique way to prepare a meal for breakfast, lunch or dinner.