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Steamed Trout in a Multicooker
Instructions
I prepare the ingredients. The recipe uses a Tefal multicooker but the technique is identical for other brands and standalone steamers. River trout is small and can be cooked whole or split lengthwise; sea trout is larger and is best cut into portion-sized steaks for even steaming.
Trout is usually sold gutted, so the prep is light: I scrape off the small scales with the back of a knife (working tail-to-head), remove the gills and any sharp fins, then rinse under cold running water and pat dry with a paper towel. Dry surface = better seasoning adhesion.
I cut the body into portion-sized steaks of 4-4.5 cm width using a sharp knife — too thin and the fish over-steams, too thick and the centre stays undercooked. I set aside the head for fish soup; the bones in the head make a remarkably rich stock.
If I'm not cooking all the steaks at once, I freeze the rest individually wrapped (they'll keep 2-3 months). For the steaks I'm cooking now, I season both sides with the salt and fish seasoning, then leave them to sit for 3-5 minutes — short enough that the seasoning adheres but not long enough to draw out moisture.
I pour 1 litre of water into the bottom bowl of the multicooker — this generates the steam. I place the dedicated steamer tray on top.
I arrange 2 steaks (or however many fit) on the tray, single layer with small gaps between them. The gaps let steam circulate evenly around each steak; piled steaks steam unevenly and parts come out under-done.
I close the multicooker lid, press "menu", select "steamer" mode, then choose "fish" as the product type — the timer auto-sets to 25 minutes. Adjust manually: +5 minutes if the tray is fully loaded, -5 minutes for a single steak. Then "start" and walk away.
The audio signal at the end of the cycle marks doneness. The multicooker switches to keep-warm mode automatically and holds the steaks at serving temperature for up to an hour, then shuts off — a useful safety net if dinner runs late.The steaks are excellent on their own with just a wedge of lemon and fresh herbs, but pair beautifully with boiled new potatoes, plain steamed rice, or a simple cucumber-and-tomato salad. The gentle steam method preserves all the omega-3 fatty acids and water-soluble vitamins that pan-frying or grilling tends to destroy.
Tips
- 1
CHECK DONENESS AT 20 MINUTES. The 25-minute auto-setting works for most steaks, but trout cooks faster than the average fish setting assumes. Open the lid at the 20-minute mark and probe the thickest steak with a fork — if it flakes cleanly along the natural lines and is opaque all the way through, it's done. Stop the cycle early if so. Over-steamed trout is a real problem; even 5 extra minutes turns it dry and mealy.
- 2
ADD AROMATICS TO THE STEAM WATER. Plain water generates plain steam; aromatics in the water elevate the result. Try: a slice of lemon and a sprig of dill, a few black peppercorns and bay leaves, or a couple of slices of fresh ginger. The volatile oils rise with the steam and gently perfume the fish — a small change with a noticeable flavour gain. For another multicooker steaming technique with a meat instead of fish, see Steamed Cutlets in a Multicooker from Minced Meat.
- 3
SEASON SALT JUST BEFORE STEAMING. Salting trout earlier than 5 minutes before cooking starts to draw out moisture, leaving the cooked steak slightly drier. The 3-5 minute window is the sweet spot — long enough for the salt to start dissolving and adhering, short enough to avoid moisture loss. For deeper seasoning without dryness, a 30-minute brine in salted water (1 tbsp per litre) before patting dry and steaming is the alternative pro technique.
- 4
SAVE THE HEAD AND TAIL FOR FISH SOUP. The trout head, tail, and any spine bones make an outstanding stock — far richer than supermarket fish stock cubes. Simmer them with an onion, a carrot, a couple of bay leaves, and a teaspoon of peppercorns in 1.5 L of water for 30 minutes, strain, and you have the base for ukha (Russian fish soup) or any chowder. For another multicooker meat-and-grain dish to round out your weekly multicooker rotation, try Chicken Mince Meatballs with Rice in Tomato Sauce in a Multicooker-Pressure Cooker.
FAQ
Can I steam frozen trout straight from the freezer? +
Yes, but extend the cooking time by 8-10 minutes and check doneness with a fork before the cycle ends — frozen-to-cooked is unpredictable depending on steak thickness and freezer temperature. The result is acceptable but not as good as properly thawed trout, which gives a more uniform texture. To thaw quickly, place the sealed steaks in a bowl of cold water for 30-45 minutes, changing the water once. Avoid thawing in the microwave; it starts cooking the edges and ruins the texture.
What if I don't have a multicooker? +
A standalone steamer works identically — the same 25 minutes, same setup, same result. A makeshift steamer also works: place a colander or steaming basket over a pot of simmering water, add the trout in a single layer, cover with a tight lid, and steam 20-25 minutes. The key is keeping the trout above (not in) the water, with the lid on tight enough to trap steam. Oven steaming (foil-wrapped trout in a 180 °C oven for 20 minutes) is another alternative.
Can I use this method for other fish? +
Yes, with timing adjustments. Salmon takes 22-25 minutes (similar to trout), white fish like cod or pollock takes 18-20 minutes (less fatty so they overcook faster), and thicker cuts like halibut steak need 28-30 minutes. The general rule: 4-5 minutes per centimetre of thickness for fatty fish, 3-4 minutes per cm for white fish. Always check with a fork at the lower end of the time range — fish goes from underdone to overdone in about 3 minutes.
How do I store and reheat leftover steamed trout? +
Refrigerate cooled trout in an airtight container for up to 2 days. Reheating tends to dry out the delicate flesh, so the best option is to serve leftovers cold — flake into salads, mix with sour cream and dill for a spread, or add to potato cakes. If you must reheat, do it gently: 30 seconds in the microwave at half power, or 5 minutes in a 150 °C oven covered with foil. Avoid reheating on the stovetop; direct pan heat ruins the moist steamed texture immediately.
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