01 -
Preheat the oven to 375°F and line a 9x13 inch baking pan with parchment paper.
02 -
In a large bowl, combine melted butter, granulated sugar, vanilla extract, and salt until smooth. Stir in the flour until a crumbly texture forms.
03 -
Press about two-thirds of the crumble mixture evenly into the bottom of the prepared pan to create the crust.
04 -
Toss sliced apples with ground cinnamon and nutmeg until evenly coated.
05 -
Spread the apple filling evenly over the crust, then drizzle salted caramel sauce over the apples.
06 -
Sprinkle the remaining crumble mixture evenly over the caramel and apple layer.
07 -
Bake for 40 to 45 minutes until the topping is golden brown and apples are tender.
08 -
Allow the bars to cool completely in the pan before cutting into 24 bars and serving.