01 - Preheat oven to 425°F. Line a large baking sheet with parchment paper or lightly grease it.
02 - Toss potato slices with olive oil, salt, and pepper in a mixing bowl until evenly coated.
03 - Arrange seasoned potato slices in a single layer on the prepared baking sheet. Bake for 25-30 minutes, flipping once halfway through, until golden and crispy.
04 - Transfer the baked potato slices to an oven-safe platter or keep on the baking sheet. Top evenly with shredded cheddar cheese and crumbled bacon.
05 - Return to the oven for 5-7 minutes until the cheese is melted and bubbly.
06 - Remove from oven. Dollop with sour cream, then sprinkle with green onions, tomatoes, jalapeños, and parsley.
07 - Serve immediately while hot for best results.