Put the A) ingredients into a bowl and stir around and around with a whisk about 30 times to make it fluffy (instead of sifting).
Add the milk, yogurt, and egg and mix until smooth.
Finish it off by mixing in the melted butter and vanilla extract.
Pour 1 ladle of batter into the heated waffle maker for 1 waffle.
Close the lid and and cook until they become nicely browned.
They're done. The surface is crisp and the inside is fluffy.
Top with lots of maple syrup and butter.
Eating them while piping hot is supreme bliss.