01 -
Heat oven to 350°F and line 8-inch square pan with parchment.
02 -
Mix flour, oats, brown sugar, baking soda, and salt.
03 -
Add melted butter and vanilla, mix well.
04 -
Set aside 3/4 cup dough for topping (keep chilled).
05 -
Press remaining dough into pan and bake crust for 14-16 minutes until golden.
06 -
Cool crust for 15 minutes.
07 -
Mix apples with lemon juice.
08 -
Combine sugar, cinnamon, and starch, then mix with apples.
09 -
Layer apple mix over crust and pour 1/4 cup caramel sauce over apples.
10 -
Crumble reserved dough on top.
11 -
Bake for 40-42 minutes until golden.
12 -
Cool completely, chill 10 minutes in freezer before cutting.
13 -
Cut into squares and drizzle remaining caramel.