avocado
eggplant, usually (there are occasional exceptions)
hot pepper
olives
liver (even in trace quantities)
stomach and intestine; other organ meats
cooked tuna
oysters
egg yolk, if the taste is noticeable, except when boiled completely hard
many strong cheeses, especially those with green fungus
desserts that contain fruit or liqueur flavors
sour fruits, such as grapefruit and many oranges
beer
coffee (though weak coffee flavor can be good in desserts)
the taste of alcohol (so I don't drink anything stronger than wine)