Whether you put a dollop on your baked potato or tacos, sour cream is a fridge staple for most people. Tart and creamy, the dairy-based condiment can add flavor and thickness to a variety of dishes.

Like sour cream, plain Greek yogurt is thick enough to dollop, has a nice amount of acidity, and is dairy-based. It works well for topping foods like tacos, as well as in dips or salad dressings. For ...

Never leave buttermilk out of a recipe — it's essential for adding moisture and helping batters rise. You can create buttermilk substitutions using other dairy such as milk, yogurt, and sour cream.