I remember making these as a young girl during lent. The last time before today was for my FIL who is gone now for 22 years. He enjoyed them so. These small fish are very addictive. This simple recipe is easy quick and only 4 ingredients. Smelt is the name of a family of silvery fishes found in cool waters. Most measure less than 8 inches (20 centimeters) long. Smelts have a small, fleshy fin behind the dorsal fin on the back like trout and salmon. This is very inexpensive, making it great for those on a tight budget.