[He takes a bite and winces before taking a large swig from his water glass.]
Okay, that's supposed to be gravy. The potatoes are too lumpy, the gravy tastes like watered down bat shit and who knows what the rest of that craps is supposed to be.
[He picks up his plate and tosses it back into the kitchen, hitting the chef with the plate.]
Learn to read a fucking recipe.
[He doesn't say much else as he walks away.]