It is traditional to eat something oily for Chanukah, such as a potato pancake, a.k.a. latke. I made something similar - I think this is more like hash browns. Whatever it is, I love it.
All you do is grate potatoes. Squeeze out all the moisture – really give it a strong squeeze. Melt plenty of butter in a pan. Add a thin layer of grated potato (even thinner than in the picture above). Sprinkle with salt. Flip. Eat. Flip out.
This picture doesn't do it justice, but I can't take a better one because I ate it as I was writing this post.