Prep Time: 1 hour hour 15 minutes minutes
Cook Time: 20 minutes minutes
Total Time: 1 hour hour 35 minutes minutes
Place the leftover pierogi in an airtight container after letting them dry, and refrigerate them for 3-4 days. To prevent sticking, separate layers with plastic wrap or aluminum foil.
To reheat the pierogi, pan-fry them in butter until golden brown and crispy on both sides.