It may feature food such as poi, kalua pig, poke, lomi salmon, opihi, haupia and beer, and entertainment such as traditional Hawaiian music and hula. Among people from Hawai‘i, the concepts of luau and party are often blended, resulting in graduation luau, wedding luau and birthday luau.arlier, such a feast was called a pā‘ina or ‘aha‘aina. The modern name comes from that of a food often served at a luau; squid or chicken lū‘au, which consist of meat, lū‘au (or taro) leaves, and coconut milk. The main dish of the luau is kālua pig. Another dish that is served is poi, made from the roots of taro.