Preheat oven to 400°F. Slice potatoes into thin rounds (about ¼ inch thick).Toss with olive oil, salt, and garlic powder.
Spread potato slices in a single layer on a lined baking sheet.Bake for 20–25 minutes, flipping halfway through, until golden and crispy.
Layer baked potatoes on an oven-safe platter or skillet.Sprinkle with shredded cheese and bacon.Return to oven for 5–7 minutes until cheese is melted and bubbly.
Remove from oven and add:Green onionsA drizzle of sour creamOptional toppingsServe immediately and watch them disappear! 🍀