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

1/2 cups shredded sharp cheddar cheese
Main ingredients for cheesy potato rounds
Main ingredients for cheesy potato rounds
Directions

Wash and dry the russet potatoes, then slice them into even 1/2-inch rounds so they cook at the same rate. In a large bowl, toss the potato rounds with the olive oil, salt, and black pepper until evenly coated.
Seasoned potato rounds in a mixing bowl
Seasoned potato rounds in a mixing bowl
2. Lightly coat the inside of the slow cooker with a bit of oil if needed.