Preheat waffle maker and lightly grease with butter or oil

In a bowl, whisk almond flour, baking powder, baking soda, salt, and optional spices

In another bowl, whisk egg yolks, milk, melted butter, maple syrup, and vanilla

Beat egg whites in a clean bowl until soft peaks form

Add wet ingredients to dry ingredients and mix gently until just combined

Carefully fold in whipped egg whites without overmixing

Let batter rest for 3–5 minutes

Scoop batter into waffle maker

Cook 3–5 minutes until golden brown and crisp

Remove carefully and repeat with remaining batter