My brother's girlfriend describes it as Jewish Scrapple, although I suppose that is not very helpful to anybody outside of the Philadelphia area. It is usually made with white-fleshed freshwater fish, such as carp or pike. Some variations on gefilte fish involve stuffing the fish skin with chopped up fish. Matzah Ball Soup Also known as Jewish penicillin. Sometimes, a few large pieces of carrot or celery are added.
Matzah balls can be very soft and light or firm and heavy.
Matzah ball soup is commonly served at the Passover seder, but is also eaten all year round. It is baked until browned and a little crisp on the outside. They are commonly filled with mashed potato and onion, chopped liver, or cheese. They are good for a snack, an appetizer or a side dish. You should be able to find them in any deli.