Yes we do! I know exactly what you mean!
Knee deep is not? I think its awful how they allow the kitchen to get like it.
Its almost like the get the cooking oil/grease on fan and turn on full blast. Its everywhere even in places (Lager) Carlsburg cannot reach!
If you think the kitchens are bad what about the toilets - No hygiene whatsoever!!!!!

Chems best I have found
UBIK 2000 an absolute requiremwnt for this.
A presure washer sometimes comes in handy! Its that bad
Where are you based?
Dave