01 - Peel, core, and slice the apples into 1/4-inch wedges.
02 - In a bowl, combine melted butter, sugar, and cinnamon. Add apple slices and toss to coat evenly.
03 - In a separate bowl, mix oats or breadcrumbs, flour, and salt.
04 - Dredge buttered apple slices in the dry mixture to coat thoroughly.
05 - Arrange coated slices in a single layer in air fryer basket.
06 - Air fry at 375°F for 10-12 minutes, shaking basket halfway through, until apples are golden and crisp.
07 - Serve warm, optionally topped with whipped cream or vanilla ice cream.