Banh beo (water fern cake)

Banh beo is a kind of small steamed rice pancake. The name comes from the cake being shaped like a water fern (Beo in Vietnamese).
It is white in color, nearly transparent and usually has a dimple in the center which is usually covered in chopped shrimp, scallions, mung bean paste, crispy fried shallots, fish sauce, rice vinegar and oil.