For the apple layer
01 -
Nonstick cooking spray or softened butter, for greasing
02 -
2 cans (20-21 oz each / 565-595 g each) apple pie filling
03 -
1 teaspoon lemon juice, optional
For the oat-walnut topping
04 -
1 box (13.25-15.25 oz / 375-432 g) spice cake mix
05 -
1 cup (90 g) quick-cooking oats
06 -
3/4 cup (170 g) unsalted butter, melted
07 -
1 teaspoon ground cinnamon
08 -
1/4 teaspoon ground nutmeg
09 -
1/4 teaspoon fine salt
10 -
1 cup (100 g) chopped walnuts
For serving
11 -
Vanilla ice cream or whipped cream, optional