Lazy Perogi Casserole

This lazy perogi casserole gives you every flavor of Eastern European pierogies (buttery onions, cheesy potato filling, tender noodle dough) without spending an afternoon pinching dumpling edges shut. Lasagna noodles stand in for pierogi dough, layering with cottage cheese and cheddar-potato fillings until you’ve got a pan that slices like lasagna but tastes like babushka’s kitchen.

The layering matters. Cottage cheese mixed with egg goes on the first noodle layer for a light, slightly tangy filling, while cheddar-spiked mashed potatoes form the heartier second layer. Butter-softened onions pour over the whole thing at the end, saturating the noodles with the caramelized allium flavor that defines classic Polish pierogi. Resting 10 minutes after baking is the move that lets everything set so it slices cleanly rather than collapsing on the plate.

Kitchen Tips

• Use day-old mashed potatoes if you have them; they hold their shape in the layers better than fresh.
• Cook the onions until deeply golden, not just soft. Their caramelized sweetness is the heart of this dish.
• Drain the cottage cheese in a fine mesh strainer for 10 minutes if it seems watery. Excess liquid makes the casserole weep.
• Cover with foil for the first 20 minutes of baking, then uncover for the last 10 to brown the top.

Variations

• Top with crumbled crispy bacon or fried cabbage for a more traditional Polish flavor.
• Use farmer’s cheese or ricotta in place of cottage cheese for a creamier filling.
• Serve with sour cream and chopped chives for the full perogi experience.