芋頭 is taro, and 麵包 is bread (麵 is flour and also noodles, 包 is bun, so bread is flour bun). Altogether, 芋頭麵包 is taro bread (not to be confused with taro bun, which is 芋頭包).
About This Dish
Taro bread is similar to Chinese raisin bread but with taro paste mixed in instead of raisins.