Fish bones rewards a little know-how: how to choose them, cook them, store them, and substitute in a pinch. Browse 12 recipes to cook with them.

What are fish bones?

Fish bones are the frames left after a fish is filleted: the backbone, ribs, and head, with whatever scraps of flesh cling to them.

To a cook they are not waste. They are the raw material for fish stock and fumet, the light, fragrant base under most seafood soups and sauces.

Unlike beef or chicken bones, fish bones give up their flavor and gelatin fast. A good fish stock is done in under an hour, which makes it the quickest stock you can make from scratch.

Making Stock From Fish Bones

The single most important rule is to use lean, white-fleshed fish. Frames from sole, snapper, halibut, or other mild whitefish make clean, sweet stock. Oily fish such as salmon and mackerel turn strong and fishy, fine for a salmon-specific soup but wrong for an all-purpose base.

Rinse the bones well under cold water first and pull out the gills if the head is attached. Gills and clinging blood are the main source of bitterness and cloudiness, so this quick step matters more than it looks.

Cover the bones with cold water and add gentle aromatics, then bring it slowly to a bare simmer. Skim the gray foam that rises in the first few minutes; that scum is what muddies a stock if you stir it back in.

Keep the simmer gentle and the lid off. Master Fish Stock and Best Homemade Fish Stock both work this way, and Fish Fume - Great Chefs follows the same path to a more concentrated fumet.

For a true fumet, sweat the bones in butter with the aromatics first, often with a splash of white wine, before adding water. That extra step builds a rounder, more savory base.

Timing and Pitfalls

Here is the rule that trips most people up. Fish stock simmers only 30 to 45 minutes, not for hours.

Cook it longer and the delicate bones start to break down and release bitter compounds, turning a sweet stock harsh and glue-like. This is the opposite of meat stock, where long hours are exactly what you want.

Keep the aromatics gentle so they support the fish instead of burying it. Onion or leek and celery form the base, with parsley stems and a few peppercorns added for depth and a squeeze of lemon for lift.

Skip carrots if you want a pale stock, since they tint it and add sweetness.

Strain the finished stock through a fine sieve and do not press the solids; pressing pushes fine particles through and clouds it. Soup De Poisson and Bouillabaisse Et Rouille both lean on a clean, well-strained fish stock to carry their flavor.

Substitutes

No bones on hand? Bottled clam juice is the closest quick stand-in, briny and ready to use, though you may want to cut it with water since it runs salty. Shrimp or lobster shells, simmered the same brief way, give a shellfish stock with a sweeter, deeper note.

In a pinch, a light vegetable stock keeps a seafood dish from tasting of nothing, and a dashi made with kombu and bonito brings its own clean ocean flavor. Plain chicken stock works only when you want a neutral background, not a fish-forward one.

Buying and Storing

Ask at any fish counter for frames; they are usually free or nearly so, especially when a whole fish is being filleted to order. Choose frames that smell of clean seawater rather than sharp ammonia, and look bright instead of yellowed.

Use fresh frames within a day, kept on ice in the coldest part of the fridge. They spoil faster than fillets because the cut bones and blood expose more surface.

Better yet, make the stock right away and store that instead. Finished fish stock keeps three to four days refrigerated and freezes for up to three months; freezing it in an ice cube tray gives you small portions for a quick pan sauce.

Quick facts

In Chinese

鱼骨

British (UK) term

Fish bones

en français

arêtes de poisson

en español

espinas de pescado

Recipes using fish bones

There are 12 recipes that contain this ingredient.

All 12 recipes