Brought these to the summer potluck and three people followed me to my car asking what was in them.

3. Cover and cook on low for 4 to 5 hours or on high for 2 to 3 hours, until the potatoes are tender when pierced with a knife and the cheese is fully melted.

4. For crispier edges, carefully transfer the cooked potato rounds to a foil-lined baking sheet and broil for 2 to 4 minutes, just until the cheese turns golden and the edges begin to brown. Watch closely to prevent burning.