The top isn't a mess of food. This is largely dependent on what you cook. Fish skin sometimes gets cooked on, glaze bubbles and chars, oil lights on fire and the top surface chars. Something like shrimp, tomato, or sausage will be fairly clean though, and nothing will cook on to the top.
Impairment of language, usually caused by left hemisphere damage either to Broca's area (impairment speaking) or Wernicke's area (impairing understanding, damage in rear parietal/temporal region in the left hemisphere)
The left part of the temporal lobe, for example, helps children acquire language. It makes the correlation between sounds heard and things seen or otherwise experienced. The left brain seems to be what side of the brain controls speech in 96% of children. There are creative areas in the brain that put concepts and experiences in different orders to think up new ways to say things. What side of the brain controls speech is not so obvious in this case. Creative thinking is generally thought to be in the right side of the brain, but not in this case. Oral language is spoken first in the mind. This happens especially when you rehearse a speech, or think in words about something.