01 -
Put frozen pierogies, kielbasa slices, 3 cups of broth, and shredded cheese into a slow cooker (4-6 qt size works).
02 -
Run it on low for 6 hours. Or, crank it up to high for about 3 to 4 hours.
03 -
When there's 30 minutes left, melt cream cheese together with the leftover broth. Stir until silky smooth.
04 -
Stir in the creamy sauce, sprinkle a bit more cheddar on top, and let it cook another 30 minutes on low.