Can I use normal flour instead?

Nomad Chef

My search says if you're substituting all-purpose flour for cake flour, you can use 2 tablespoons less AP flour per cup of cake flour, and add 2 tablespoons of corn starch per cup. https://www.southernliving.com/food/kitchen-assistant/cake-flour-vs-all-purpose-flour#:~:text=Add%20an%20extra%202%20tablespoons,of%20corn%20starch%20per%20cup.