According to a CNN article on most airlines Pilots usually eat the 1st Class Meal while the Co Pilots are served the business class meals.
There is a real safety reason for this. Pilots and Co-pilots are required to not eat the same meal. Just in case of food poisoning or other issues that could result from the food. Should there be an issue with the meals at least both of them will not be affected and one of them is left to fly the plane
Here are some more interesting facts!