Add grated cheese, butter, salt and cayenne to a bowl. Mix with electric mixer until well combined.
Add flour and mix until combined. It will be crumbly.
Add ice water 1 Tbsp at a time and mix. It will still be crumbly but should hold together when you pinch it.
Dump onto counter and form into 2 discs.
Cover discs with plastic wrap and refrigerate for 30 minutes.
Work with 1 disc at a time leaving the other refrigerated until ready to use
Roll dough out thin. Cut into squares. Poke a hole in the center of each square.
Preheat oven to 350° F.
Transfer squares to baking sheet and bake 13 minutes.
Transfer to cooling rack.
Once cooled, they will be super flaky and crispy!
Store in airtight container.
