01 -
Gather all ingredients.
02 -
Preheat the oven to 400°F (200°C) and line a baking sheet with parchment paper.
03 -
Brush potato slices on both sides with melted butter and arrange them on the prepared baking sheet.
04 -
Bake in the preheated oven until the potato slices are lightly browned and tender when pierced with a knife, about 30 to 40 minutes, flipping slices halfway through.
05 -
Sprinkle baked potato slices with shredded Cheddar cheese, crumbled bacon, and chopped green onions. Return to the oven and continue baking until the cheese melts, approximately 3 to 5 more minutes.
06 -
Remove from the oven and serve warm. Optionally, top with sour cream before serving.