They're both white, creamy and a little tangy ... and performance that you can swap sour cream for yogurt at a 1:1 ratio.

Greek yogurt is a great addition in many baked goods. But what if you don't have any? These ingredients work well as ...

stir the strong white flour into the yoghurt, incorporating evenly. Cover and leave at room temperature (about 20C) for two days. The mixture should be full of bubbles and smell pleasantly sour.