To lighten things up a bit, swap half the butter with low-sodium chicken broth; you’ll lose a little richness but still get nice flavor and some crisp edges. For a herby twist, replace the chives with a mix of chopped parsley and green onions, or add a pinch of dried thyme or rosemary to the salt.
If you’re cooking for a crowd, you can scale this up slightly as long as the potatoes stay mostly in a single layer; if your slow cooker