sentences:  Such dishes may be cooked or raw, savoury or sweet.Due to the straining process to remove excess whey, even non-fat varieties of strained yogurt are much thicker, richer, and creamier than yogurts that have not been strained.Since the straining process removes the whey, or fluid, from the milk solids, it requires substantially more plain yogurt to produce a cup of strained yogurt, so the cost to make it is increased accordingly.