FAQ:

Can I use gluten-free flour in this recipe?
Yes, a gluten-free all-purpose flour blend works well as a substitute.

What type of apples are best?
Firm, slightly tart apples like Granny Smith or Honeycrisp hold up well during baking.

Can I prepare this pie ahead of time?
Absolutely, you can prepare the batter and slice apples the day before. Store covered in the fridge and bake fresh when ready.