Just one of them? IOW, either sour cream, buttermilk or yogurt, right?
I'll do just that (as I said, I'm going to try three or four so perhaps I can find a recipe for each one :>).
Okay, I know that everyone wants the perfect waffle recipe, and I've seen at least 10 on the web that got high ratings but were nearly identical. I also understand there is a difference between yeast and baking powder ones (although I've never tried the yeast ones).
Of the baking powder ones...