Whisk egg and combine with remaining ingredients. Mix well.
Preheat waffle iron, then pour chaffle mixture into the waffle iron.
Cook for 3-4 minutes until golden brown and edges are crispy.
Notes
Store leftover in an airtight container or zippered bag in the fridge for up to 3 days or freeze for up to 4 months. Reheat chaffles in the toaster or the air fryer.