While it can enhance your morning breakfast, quark is also super versatile and can be used in many baking endeavors, such as cheesecakes and mousses, or as a lower-fat choice in lieu of heavy creams or spreadable cheeses. Quark is relatively new to U.S. consumers, but it can be found at some locations of Lowes Foods, ShopRite, Trader Joe’s, Whole Foods, Kroger, or online.