Sour Cream (Best Option)
1:1 (replace Greek yogurt volume directly)Sour cream has a comparable fat content and acidity level to Greek yogurt, which helps activate baking soda or powder in the waffle batter, contributing to a light and fluffy texture. Its moisture content also ensures the batter consistency remains ideal.
When substituting, ensure sour cream is well mixed into the batter to avoid lumps. Because sour cream is slightly less thick, you might notice a marginally thinner batter, but this usually does not affect cooking times.
The final waffles will have a similar tangy flavor and moist crumb, with a crisp exterior comparable to those made with Greek yogurt.