8 Best Store-Bought Sour Cream Brands, According To Reviews Sour cream is one of those refrigerator staples that most people grab without giving it much thought, until they buy a disappointing tub. Whether you're topping tacos, swirling it into soup, folding it into mashed potatoes, or baking a cheesecake, the right or wrong sour cream can make a significant difference. Some brands are thick with ...