Preheat the waffle maker.
Place egg in a small mixing bowl and lightly whisk.
Add in cheddar cheese, almond flour and chives. Mix together until the batter is combined. Stir in the salt (if using)
Spray waffle iron with coconut oil. Scoop the batter onto the waffle iron and cook for 3 to 4 minutes or until chaffle is golden brown and cooked through. A good time to start checking is when the steam coming from the waffle iron starts to slow down.
Remove chaffle from the waffle iron and place on a cooling rack. Cool the chaffle completely before serving.
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