The secret to making perfect hotcakes is very simple. DO NOT OVERMIX. The fluffiness and tastiness of hotcakes depend on how you mix the batter.
Here’s a video that will show you just how much you should mix and what the resulting batter mix should look like.
For the uninitiated, the resulting batter may look undermixed, but really, this is exactly how much you should incorporate the dry and wet ingredients. More than this and the gluten will develop from the flour in your batter, making your pancakes chewy instead of fluffy.