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Keto Dinner

Poached Fish with Cucumbers

When I’m short on time but still want something that feels special, this poached tilapia with creamy cucumbers never disappoints. The fish turns out tender and flaky in a fragrant white wine bath, while the cucumber side adds a tangy, velvety contrast. This dish has become one of my go-to meals for busy weeknights. The delicate poaching method keeps the fish moist without any heavy breading, and the creamy mustard-tarragon sauce with cucumbers is a revelation. You’ll be surprised at how such simple ingredients create something so elegant.

15 min Prep time 20 min Cook time 35 min Total time 2 Servings 520 Calories
Poached Fish with Cucumbers

Ingredients

  • teaspoon salt
  • cucumbers, peeled, halved lengthwise, seeded, and chopped
  • cup whipping cream
  • tablespoons prepared mustard
  • teaspoons chopped fresh tarragon
  • cups white wine
  • salt to taste
  • bay leaf
  • (3 ounce) fresh tilapia fillets

Instructions

  1. Step 1

    First, I sprinkle the cucumber pieces with salt and let them sit for about an hour. This draws out excess moisture, so they stay crisp later. After draining the liquid, I set the cucumbers aside. In a saucepan over medium heat, whisk together the whipping cream, mustard, and tarragon until smooth. Add the cucumbers and let them simmer gently for 8 minutes, stirring occasionally, until they’re tender but still have a little bite. Meanwhile, pour the white wine into a large skillet, season it with a pinch of salt, and drop in the bay leaf. Bring it to a boil, then carefully lay the tilapia fillets in the liquid. Reduce the heat to medium-low and let them poach for 8 to 10 minutes. You’ll know they’re done when the fish flakes easily with a fork and looks opaque throughout. To serve, spoon the creamy cucumbers onto plates alongside the poached tilapia. I like to drizzle a bit of the poaching liquid over the fish for extra flavor. It’s a beautifully simple presentation that feels restaurant-worthy.

Chef's Tip

I always make sure not to overcook the cucumbers—they should retain a slight crunch to contrast with the tender fish. If you can, use a dry white wine like Sauvignon Blanc; its acidity brightens the whole dish and complements the tarragon beautifully.

Storage Tips

Store leftover fish and cucumbers separately in airtight containers in the fridge for up to 2 days. Reheat the fish gently in a skillet with a splash of water to keep it moist, and warm the cucumbers in a saucepan over low heat, stirring often.

Variation Tips

For a different protein, try this with salmon or cod if you prefer. The creamy cucumber side also pairs wonderfully with grilled chicken or pork chops. To add more veggies, serve with a side of sautéed spinach or roasted asparagus for extra fiber and color.

Frequently Asked Questions