Bake this irresistible Steam N' Mash Pierogi Casserole at home. Made with frozen mashed potatoes, cheddar cheese, lasagna noodles and unsalted butter. E…
This Steam N' Mash Pierogi Casserole relies on simple, everyday ingredients such as cheddar cheese, shredded, unsalted butter, vidalia onions, chopped and salt, to taste. It comes together quickly and makes 4 servings, at about 988 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
Whether you're rounding off a family dinner, bringing a treat to a gathering, or simply satisfying a sweet craving, this Steam N' Mash Pierogi Casserole delivers. Serve it warm or at room temperature, and add a scoop of ice cream or a spoonful of whipped cream for an extra-special finish.
Updated Jun 30, 2026