01 -
Cook and crumble the bacon. Slice scrubbed potatoes into evenly thick half-inch rounds and dry their surfaces.
02 -
Preheat to 400°F. Line a baking tray with parchment rated for that temperature. Use additional trays if one cannot hold a single layer.
03 -
Brush both faces of the rounds with the measured melted butter and arrange without overlapping.
04 -
Roast about 30–40 minutes, turning partway through. Check several thick slices with a knife and continue until their centers are tender.
05 -
Divide cheese, cooked bacon and green onion over the tender rounds. Return to the oven for roughly 3–5 minutes, just until the cheese melts.
06 -
Lift with a broad spatula and serve warm. Keep any optional sour cream separate and refrigerate remaining portions promptly.