gratecake

noun

Plural:   gratecakes

A collective name for baked or fried foods made from grated or finely chopped ingredients, such as potato pancakes, latkes, hashbrowns, etc·.

Examples: 

The final question remaining in this subchapter is whether our methodically blackened pans would suffice for managing fat-free Barton-manner gratecakes.  (Source: J∙ Okram - Bartonian Potato Pancakes  ●  Cooking Recipe.)