I like caviar but I don't think it tastes very nice during flights.
If its high quality eggs, I like to have caviar without any sides at all when I have it at home, so its just caviar straight into my mouth (I actually first put a spoonful on the back of my hand to give it some acidity then suck/lick it up) + champagne.
On board however, I kinda feel barbaric if I was to do that so I try to use the condiments they give along with the toast or whatever and I just don't enjoy it as much.
Its not often that I fly F as I'm always stuck in J but in the occasion where I do fly F, I normally skip most of the food and have a very light meal on board.