1. Plain Greek yogurt
1 cup
plain Greek yogurt
Best swap: Plain Greek yogurt. Use 1 cup plain Greek yogurt per 1 cup.
Sour cream brings fat and gentle acidity, keeping bakes moist and tender while adding a little tang. Most cultured dairy can stand in for it.
Plain full-fat Greek yogurt is the closest swap, cup for cup, in both baking and cold dishes. Buttermilk also works in batters if you slightly reduce another liquid.
Yes. Plain Greek yogurt has similar fat and acidity and works one-to-one in cakes, muffins and quick breads.