Several recipes available :
Spinach, mixed vegetables, Cauliflower …
A true « traditional » gratin result already grilled
A good cooked flavour resulting from their preparation in a large cooking pot with crème fraîche and cheese.
Rapid re-heating in just a few minutes in microwave or traditional oven

Several other proposals :
by adding pieces of meat or fish,
by adding pasta or rice
by adding a special « crumble » topping with crunchy bits

Various formats available :
200g = individual portion tray
450g = 1 or 2 portion tray
800g – 1kg – 2.6kg = families and food service format