Carcass or Cabinet material
Compact Laminate is a great material for all weather use, it comes 13mm thick with a stylish black edge and is fully waterproof and UV stable. It is available in a range of contemporary colours and also has a 10 year exterior warranty.
Some other options available include stainless steel, Acrylic inserts, Marine ply and exterior grade 2 pack painted doors. If your outdoor kitchen is not exposed to UV or the weather, then standard MR MDF doors may a cost saving option for you.