01 -
In a large mixing bowl, combine the all-purpose flour, rolled oats, brown sugar, ground cinnamon, and salt until evenly distributed.
02 -
Pour the melted unsalted butter over the dry ingredients and mix thoroughly until a crumbly texture forms.
03 -
Press two-thirds of the oat mixture firmly into the base of a 9×13 inch baking pan. Layer sliced apples over the crust, drizzle evenly with salted caramel sauce, then sprinkle with the remaining crumb mixture.
04 -
Bake in a preheated oven at 350°F (177°C) for 25 minutes or until the top is golden brown and crisp.
05 -
Allow to cool slightly before slicing. Sprinkle with a pinch of salt and serve warm, optionally with vanilla ice cream.