Gefilte fish.

Gefilte fish is eaten on Sabbath and Festivals throughout the year. It has no specific relevance to Passover.

Gefilte (geh-fill-teh) Fish. The pronunciation could be different depending on the geographical region that you are in but this is how the Wordbook Dictionary describes it as being commonly said.

Gefilte is made from ground fish, browned onions, cabbage, pepper, salt, and sometimes is served with horseradish when served on airplanes. The fish used for gefilte are usually Pike, Carp, Mullet, Nile Perch and Salmon.

It's not recommended that dogs eat gefilte fish as this dish contains a lot of onion which is a toxin for dogs.