Skip to contentMake Oat Crumble Topping: Combine oats, all-purpose flour, brown sugar, granulated sugar, and cinnamon in a separate bowl. Cut in cold butter until crumbly.Assemble and Bake: Sprinkle oat crumble topping over the apple filling. Bake for 40-45 minutes, or until the topping is golden brown and the apples are tender.Serve: Let cool slightly before serving. Enjoy warm with a scoop of vanilla ice cream or whipped cream. 
