Actually, milk was the correct item for any complaints about things being too 'spicy' or 'peppery', as dairy products have long been thought of as a sort of 'folk cure' for a burning tongue.
Some other things:
If he wants a palate cleanser or accompaniment to the meal, bring him wine.
If he wants to replenish or complains about being thirsty, bring him water (also if he says something is too salty)
If he complains about a lack of seasoning, bring him salt
If the bread is too dry or the food not rich enough, bring him butter
You can find a full list of what he says and what he wants as a result by looking up the quest on the lotro-wiki
[COLOR="#8B4513"][MY ALTS] [B]Balvur[/B] warden/ [b]Hallti[/b] guardian/ [b]Hila[/b] burglar/ [b]Elenauriel[/b] runekeeper/ [b]Dolmifaynar[/b] minstrel [/COLOR]
I speak my mind because it [COLOR="#B22222"][i]hurts[/i][/COLOR] to bite my tongue