the onions, sausage, and pierogies together so everything is coated in the buttery sauce. Taste and add a pinch of salt and freshly ground black pepper if desired.
Serve hot straight from the slow cooker, making sure each serving gets plenty of sausage rounds, soft pierogies, and tender onions in that buttery sauce.
Variations & Tips
For a slightly lighter version, you can cut the butter down to 6 tablespoons and add 2 to 3 tablespoons of chicken broth to keep the sauce loose.
