Best Fish Poacher (2 Whole-Fish Poachers and a Pan for Fillets)

A fish poacher is a long, lidded pan with a rack inside. It lets you cook a whole fish gently in simmering liquid, then lift it out in one piece.

It is a specialty pan. You need one only if you cook whole fish. For fillets, a good deep pan does the job.

The short version: The RSVP International Endurance 18-Inch Fish Poacher is the best fish poacher for most home cooks. It is stainless steel, dishwasher safe, and its rack has long handles for lifting the fish out whole. If you mostly poach fillets, skip the poacher and buy a deep lidded pan like the Misen 4 QT All-Purpose Pan.

Our Picks at a Glance

• Best overall: RSVP International Endurance 18-Inch Fish PoacherJump to review ↓
• Best budget: Norpro 18-Inch Stainless Steel Fish PoacherJump to review ↓
• Best for fillets and small kitchens: Misen 4 QT Stainless Steel All-Purpose PanJump to review ↓

Every pan above was listed as available on its maker’s own store when we checked. Prices are the makers’ own and change often.

Pan	Type	Size	Material	Dishwasher	Maker’s Price
RSVP Endurance ST-18P	Fish poacher with rack	19.75 x 6 x 5.5 in overall	Stainless steel	Yes	$40.00
Norpro 280	Fish poacher with lid and perforated rack	17 x 5.5 x 4 in interior	Mirror-finish stainless steel	Hand wash recommended	$33.00
Misen 4 QT All-Purpose Pan	Deep pan with lid	11 in wide, 2.6 in deep	5-ply stainless steel	Yes	$169.00

1. RSVP International Endurance 18-Inch Fish Poacher: Best Overall

The RSVP Endurance is a classic long poacher. It fits whole trout, bass, snapper and smaller salmon. RSVP also suggests it for steaks, fillets and vegetables.

The rack is the key part. It sits inside the pan, and its long handles rise above the liquid. When the fish is done, you lift the rack out with the fish resting on it. The fish stays in one piece instead of breaking apart on a spatula.

RSVP describes the stainless steel as commercial quality. Stainless does not react with acidic poaching liquids like wine and lemon juice. That keeps the flavor clean.

It is dishwasher safe, which is rare for a pan this long. Check that it fits your dishwasher first. At nearly 20 inches, it may not.

At 19.75 inches long, it covers two burners on most stoves. That helps it heat evenly along its length.

Who should buy it: Anyone who poaches whole fish a few times a year and wants an easy-clean poacher.

2. Norpro 18-Inch Stainless Steel Fish Poacher: Best Budget

The Norpro is the lower-priced option. It comes with a lid and a perforated rack that drains and lifts the fish.

Norpro lists the interior as 17 inches long, 5.5 inches wide and 4 inches deep. That tells you exactly what fits. Measure your fish before you buy. A fish longer than about 16 inches will need its tail trimmed or its head removed.

The mirror finish looks good enough to set on a buffet. Norpro says the pan also works for corn on the cob and asparagus, two foods that are awkward in round pots.

Norpro recommends hand washing. A soft sponge keeps the mirror finish bright.

Who should buy it: Budget buyers who poach whole fish occasionally and want a lid included.

3. Misen 4 QT Stainless Steel All-Purpose Pan: Best for Fillets and Small Kitchens

Most people poach fillets, not whole fish. For that, a fish poacher is overkill. A wide, deep pan with a lid does the job, and it cooks everything else too.

The Misen 4-quart pan is 11 inches across and 2.6 inches deep. Several salmon fillets fit in one layer, with room for liquid to cover them. The lid holds in heat and steam.

It is 5-ply stainless steel. Misen says it works on every stovetop, including induction. It is oven safe to 800°F and dishwasher safe. The rounded, saucier-like corners make it easy to whisk a sauce from the poaching liquid once the fish is out.

The price is higher than the poachers. But it replaces a sauté pan, a braiser and a poacher in one. In a small kitchen, that trade makes sense.

You can also buy it direct from Misen.

Who should buy it: Cooks who poach fillets and want one pan that earns its place in a small kitchen.

Buy Direct From Misen

Do You Need a Fish Poacher?

A fish poacher does one job very well. Whether you need one depends on what you cook.

Buy a poacher if you cook whole fish, like trout, bass, snapper or a small salmon. The rack lets you lift a delicate fish out without breaking it. No other pan does that as well.

Skip the poacher if you cook fillets, steaks or portions. A deep lidded pan works fine and cooks many other things too. Our guide to the best sauté pan covers more options.

A long poacher is awkward to store. Before you buy, find a spot for it. Our guide on how to store pots and pans in a small kitchen has ideas for long pieces.

How to Poach a Whole Fish

This method works for trout, bass, snapper and small salmon.

1. Prepare the fish. Scale, gut and rinse it, or ask the fish counter to do it. Trim the tail if it is too long for the pan.
2. Make the liquid. Fill the poacher with enough water to cover the fish. Add white wine or lemon juice, sliced onion, carrot, celery, a bay leaf, parsley and peppercorns.
3. Simmer the liquid. Bring it to a boil, then lower to a gentle simmer for 15 to 20 minutes to build flavor.
4. Lower the fish. Lay the fish on the rack and lower it into the liquid. It should be fully covered.
5. Poach gently. Keep the liquid just below a simmer, with small bubbles only. A hard boil breaks the flesh apart.
6. Check doneness. The FDA’s safe minimum temperature for fish is 145°F in the thickest part. The flesh should look opaque and flake easily.
7. Lift it out. Raise the rack by its handles and let the fish drain.

To serve it cold, let the fish cool in the liquid. That keeps it moist.

A thermometer takes out the guesswork. Our guide on how to clean a meat thermometer keeps the probe safe between uses.

How to Poach Fish Fillets

Fillets are faster and easier. You do not need a poacher.

1. Pick a pan. Use a wide, deep pan with a lid, large enough for the fillets in one layer.
2. Add liquid. Pour in enough liquid to cover the fillets. Court bouillon, fish stock, milk or a mix of wine and water all work.
3. Bring to a gentle simmer. Small bubbles only.
4. Add the fillets. Slide them in skin side down.
5. Cover and poach. Thin fillets often take around 8 to 10 minutes. Thicker fillets take longer.
6. Check the temperature. Aim for 145°F in the thickest part.

Poaching in milk gives a mild, rich flavor that suits smoked haddock and cod. For swaps, see our guide to the best substitutes for whole milk. Coconut milk makes a Thai-style poached fish. See our coconut milk substitute guide if you run out.

Poaching Liquids and Flavors

The liquid seasons the fish. Try these combinations.

• Classic court bouillon: Water, white wine, lemon, onion, carrot, celery, bay leaf and peppercorns.
• Asian-style: Water, soy sauce, ginger, scallions and a little rice wine.
• Milk poach: Milk with bay leaf and black pepper. Good for white fish.
• Olive oil poach: Fish submerged in warm olive oil. Rich and tender.
• Tomato broth: Tomatoes, garlic, fennel and white wine.

Lemon is in most poaching liquids. Our guide on how much juice is in one lemon helps you buy the right number, and our guide on how to use a lemon juicer gets more juice out.

Other Gentle Ways to Cook Fish

Poaching is one of several gentle methods.

• Steaming cooks fish over simmering water. A bamboo steamer is ideal. See how to use a bamboo steamer. A steamer basket for an Instant Pot also works.
• Sous vide cooks fish sealed in a bag in a water bath at an exact temperature. See our sous vide precision cooker article, and our guide on how to use a vacuum sealer for sealing.
• Baking en papillote wraps fish in parchment with herbs and lemon so it steams in its own juices.

If you catch your own fish, our guide to the best electric fillet knife covers cleaning the catch.

What to Look for in a Fish Poacher

Fish poachers are simple, but a few details decide whether one works for you.

Interior length. This is the number that matters. Measure the fish you usually buy, head to tail. Compare it with the interior length, not the overall size. Handles add length that the fish cannot use.

The rack. Look for a rack with handles that rise above the liquid. You lift the fish out by those handles. A flat rack without handles forces you to fish around in hot liquid.

The lid. A lid keeps the liquid at a steady simmer and saves energy. Most poachers include one. Check before you buy.

Material. Stainless steel is the usual choice. It does not react with wine or lemon juice, and it cleans up easily. Copper poachers look beautiful and heat evenly, but they cost far more and need polishing.

Burner fit. A long poacher heats best across two burners. If your stove has a bridge burner or an oval element, even better. On a small two-burner cooktop, check that the poacher fits across both.

Storage. An 18-inch pan needs a long shelf or a tall cabinet. Plan the spot before you order.

Serving a Poached Whole Fish

A poached whole fish makes a striking centerpiece. A little care keeps it looking good.

Lift the rack and let the fish drain for a minute. Slide it onto a long platter with two wide spatulas. Peel back the skin on the top side with a knife tip. It comes away easily once the fish is cooked.

Garnish with thin lemon slices, cucumber and fresh dill. Serve it warm with melted butter, or cold with a herb mayonnaise or yogurt sauce.

To serve, run a knife along the backbone and lift off the top fillet in pieces. Then lift out the bone in one piece and serve the bottom fillet.

A long platter shows off the fish. Our guide to the best dinnerware sets covers serving pieces that suit a dinner party. If you are cooking the sides on a small stove, our guide on how to cook a full meal with only two burners shows how to time everything.

Leftover poached fish keeps in the fridge in a sealed container. Our guide to the best airtight food storage containers covers containers that hold in fish smell.

Using a Poacher on Induction and Other Stovetops

Long poachers often sit across two burners. That works well on gas and electric coil stoves.

On induction, check that the pan is magnetic. Stainless steel poachers vary. Test with a fridge magnet. If it sticks firmly, the pan works on induction. Our guide on using non-induction cookware on an induction cooktop covers workarounds, and our guide to the best cookware for induction cooktops covers pans that work.

The Misen pan is listed as induction compatible by its maker.

On a glass or ceramic cooktop, lift the poacher rather than sliding it. That prevents scratches.

Cleaning Stainless Steel Poachers

Stainless steel is easy to care for, but fish leaves a smell and sometimes a film.

• Soak first. Fill the pan with warm soapy water for a few minutes.
• Scrub gently. Use a soft sponge. Avoid steel wool on mirror finishes.
• Remove odors. A rinse with diluted vinegar or lemon juice helps.
• Dry fully. Water spots show on shiny steel. Dry with a towel.

Rainbow marks can appear after heating. They are harmless. Our guide on why stainless steel turns rainbow explains the cause, and our guide on how to clean stainless steel pans shows how to remove them.

Storing a Long Poacher

An 18-inch poacher does not fit in most drawers. Store it upright at the side of a cabinet, or on top of the fridge. Keep the rack inside and the lid on top.

If you use it only a few times a year, a high shelf is fine. Our ideas for small kitchen cabinet organization help you find space.

Which Fish Poacher Should You Buy?

Buy the RSVP Endurance ST-18P if you want a dishwasher-safe poacher with a long-handled rack for whole fish.

Pick the Norpro 280 if you want the lowest price and a lid in the box.

Choose the Misen 4 QT All-Purpose Pan if you mostly poach fillets and want one pan that does much more.

Related Guides

• Best Stockpot With a Lid
• What Is Stainless Steel Cookware?
• How to Season Stainless Steel Pans
• Best Cookware Sizes for Cooking for One
• How to Organize Pot Lids in a Small Kitchen
• How to Use Egg Poachers
• How to Cook Rice in a Rice Cooker

Frequently Asked Questions

What is a fish poacher?

A fish poacher is a long, narrow, lidded pan with a removable rack. You lay a whole fish on the rack, cover it with simmering liquid, and poach it gently. The rack's handles let you lift the cooked fish out in one piece, which is hard to do with a regular pot.

What size fish poacher do I need?

Measure the fish you usually cook, head to tail. An 18-inch poacher with an interior around 17 inches long suits whole trout, bass, snapper and small salmon. For a large whole salmon, you need a longer poacher or you can cut the fish in half. For fillets, a wide, deep pan with a lid works as well as a poacher.

Can you poach fish without a fish poacher?

Yes. For fillets and steaks, a deep skillet or sauté pan with a lid works well. For a whole fish, you can use a roasting pan covered tightly with foil, set over two burners. A poacher's rack makes lifting a whole fish much easier.

What liquid is best for poaching fish?

A court bouillon is traditional. It is water simmered with white wine or lemon juice, onion, carrot, celery, herbs and peppercorns. Milk, fish stock and even olive oil also work. Keep the liquid at a gentle simmer, just below a boil, so the fish stays tender.

How long does it take to poach fish?

Thin fillets can take around 8 to 10 minutes. A whole fish takes longer, depending on its thickness. The most reliable test is temperature: the FDA's safe minimum for fish is 145°F in the thickest part. The flesh should flake easily and look opaque.