Bacon, Mushroom, and Spinach Pierogies

Alex Lau
To make this vegetarian, omit bacon and add 4 Tbsp. olive oil for browning mushrooms. If you want to have a pierogi party, check out three more fillings for Kielbasa, Sauerkrat, and Potato Pierogies, Beef, Onion, and Cheddar Pierogies, and Cottage Cheese and Blueberry Pierogies.