it went grey when I tried to use it as a pasta sauce, but I love it with added mackerel or smoked salmon on a red day to apply to pagen krisprolls!
If you mix your HEa Laughing Cow into it, it doubles your allowance! Add garlic and it makes quite a good dip.
Most things need to be left overnight to take on the taste though otherwise quark on it's own is very sharp and yukky!