I remeber awhile ago someone made a thread about "weird" things they fed their bettas. Most listed shrimp, fish, and chicken. I always wondered about raw beef though. I fed mine once a very small piece of tuna (from the can). They liked it but it made the water very messy.
Red, Casanova, Habanero, Falkor, Eragon
Thelma, Babycakes, Black Sheep, Mystique, Dew