>Tryhard overpronouncing ingredients with foreign names.
>Constantly reassuring you that whatever result you end up with is acceptable, no matter how abysmal.
>Making sure they point out the "high quality" equipment they're using, but then reassuring the audience that whatever they have is fine - thus negating the entire point of mentioning their own stuff in the first place.
>Generally treating the audience like retarded babies.
Can't think of specific phrases but you get the idea.