Making gefilte fish at home might seem like a daunting task, but with our detailed primer, you'll be enjoying this classic appetizer before you know it. After making these, buying store-bought gefilte fish will be a thing of the past. Let the stock cool down before packing it up and refrigerating until you're ready to make the gefilte fish. Make sure to taste the stock and add salt as needed before cooking the fish. How do I choose the right fish?