Sous Vide Squid Congee with Watercress

Squid is one of the easiest proteins to ruin, and most people ruin it the same way: too hot, too long, and it turns into something closer to rubber bands than seafood. Sous vide squid congee with watercress sidesteps that problem entirely by cooking the squid low and slow in a water bath, which sounds fussy but is actually one of the most forgiving ways to guarantee tender squid every time. Folded into a pot of slow-simmered rice congee and finished with peppery raw watercress, it turns into a bowl that’s genuinely comforting, not just technically impressive.

If you’ve been avoiding squid at home because of one too many chewy stir-fry disasters, this is the recipe that fixes that, permanently.

Why This Recipe Is Worth Making

Sous vide gets a reputation for being a restaurant-only technique, but this is exactly the kind of dish where it earns its keep in a home kitchen — it takes the guesswork out of squid’s notoriously narrow window between tender and tough. The congee itself is mostly hands-off simmering, so despite the long total time, there’s not much active work involved. And watercress, added raw at the very end, keeps the whole bowl from tasting one-note: its sharp, peppery bite cuts right through the congee’s soft richness.

What You’ll Need

• Squid (1 pound, cleaned tubes and tentacles) — ask your fishmonger to clean it if you’re not comfortable doing it yourself. Slice the tubes into ½-inch rings before cooking.
• Neutral oil (1 tablespoon)
• Soy sauce (1 teaspoon)
• Salt, a pinch, for the squid
• Jasmine or short-grain rice (1 cup) — short-grain breaks down into a creamier congee; jasmine gives a slightly looser, more textured result. Either works.
• Chicken stock (8 cups) — low-sodium is easiest to control as you season at the end.
• Fresh ginger (a 1-inch piece, sliced into coins)
• Watercress (2 cups, tough stems trimmed) — arugula is a reasonable substitute if watercress isn’t available, though it’s less peppery and more bitter.
• Soy sauce, white pepper, and salt, to season the finished congee
• Toasted sesame oil, for finishing
• Green onions, sliced, for garnish

How to Make Sous Vide Squid Congee with Watercress

1. Set up your sous vide immersion circulator in a pot of water and set it to 135°F. This lower, longer cook is what breaks down squid’s connective tissue gradually, without the muscle fibers seizing up the way they do under fast, high heat.
2. Toss the sliced squid with the oil, soy sauce, and a pinch of salt in a resealable sous vide bag or a zip-top freezer bag. Remove as much air as possible — if using a zip-top bag, the water displacement method works well: lower the bag slowly into the water bath, letting the water pressure push the air out through the top before sealing it just above the waterline.
3. Submerge the bag and cook for 1 hour. This is longer than you’d expect for something as small as squid, but that’s the whole point — it’s not about speed, it’s about giving the connective tissue time to soften gently rather than seizing under intense heat.
4. While the squid cooks, rinse the rice under cold water until it runs mostly clear. Combine it with the stock and ginger in a large, heavy pot. Bring to a boil, then reduce immediately to a low simmer.
5. Cook the congee uncovered or partially covered for 45 to 60 minutes, stirring every 10 to 15 minutes to prevent sticking. You’ll watch the individual grains slowly break down and the liquid thicken from thin broth into something opaque and spoonable. It’s ready when it coats the back of a spoon evenly.
6. Once the squid is done, remove the bag from the water bath. If you want a touch of color and texture, sear the squid quickly in a hot, lightly oiled pan for about 30 seconds per side — this step is optional but adds a nice contrast against the soft congee. Skip it if you’d rather keep things simple; the squid is fully cooked and tender either way.
7. Stir the cooked squid into the finished congee, warming it through gently for a minute or two. Season with soy sauce, white pepper, and salt to taste.
8. Remove from heat and fold in the watercress just before serving, letting the residual heat wilt it slightly while it keeps most of its raw, peppery bite.
9. Ladle into bowls, finish with a drizzle of sesame oil and sliced green onions, and serve immediately.

Tips That Actually Make a Difference

• Don’t skip the water displacement trick if you’re using a zip-top bag instead of a vacuum sealer — trapped air makes the bag float, which means uneven cooking.
• Slice the squid tubes before bagging, not after cooking. It’s much easier to get clean, even rings from raw squid than from squid that’s already cooked and more delicate.
• Stir the congee regularly, but gently — you’re preventing sticking, not trying to mash the rice apart by force.
• Add the watercress at the very last moment, off the heat if possible. Cooked too long, it turns limp and loses the sharp bite that makes it worth including.

Mistakes to Watch Out For

• Skipping the sous vide step and just simmering the squid directly in the congee. This is the fastest way to end up with the rubbery texture this whole method is designed to avoid. The low, slow water bath is doing real work — don’t shortcut it.
• Overcrowding the sous vide bag. If the squid pieces are stacked too thickly, they won’t cook evenly. Use a bag large enough to spread them in a relatively thin layer.
• Boiling the congee hard instead of simmering it gently. A hard boil scorches the bottom of the pot and breaks the rice apart unevenly. Keep the heat low and steady.
• Adding watercress too early. Stirred in with everything else, it wilts into mush and loses its whole reason for being there. Fold it in right at the end.

Easy Ways to Change It Up

• Swap watercress for baby spinach if you can’t find it — the flavor is milder and less peppery, but it still adds color and a bit of freshness.
• Add a soft-boiled egg to each bowl for extra richness and protein.
• Use shrimp instead of squid if you’d rather skip the sous vide step entirely — shrimp cooks quickly and reliably in the congee itself during the last few minutes.
• Finish with chili oil instead of or alongside the sesame oil for a version with real heat built in.

What to Serve It With

This congee is filling enough to be a full meal on its own, but a side of quick-pickled daikon or cucumber adds a sharp, acidic contrast that balances the rich, starchy base. If you want to round things out further, a few pieces of fried dough (youtiao) on the side are a traditional and genuinely good pairing for dipping into the congee.

Leftovers and Reheating

Store the congee and squid together in an airtight container in the refrigerator for up to 2 days, but leave the watercress out — add it fresh to each portion when reheating, since it won’t hold up well stored in the liquid overnight. Reheat gently on the stovetop over low heat, adding a splash of stock or water to loosen the congee, which thickens considerably as it sits. Avoid overheating the squid during reheating; it’s already fully tender, and more heat risks toughening it even after the sous vide step.

Approximate Nutrition Per Serving

Estimates only, based on one of four servings.

Final Thoughts

If squid has been on your list of proteins you avoid cooking at home, this is the recipe that changes that math — the sous vide step does the one thing that actually matters, and everything else is just a good pot of congee. Give it a try next time you want a bowl that feels a little more considered than your usual weeknight rotation.