Method
Shape the cucumber boats

Set 45 g of pasteurized cream cheese aside so it can soften slightly while you prep the cucumbers. Rinse 400 g of Persian cucumbers under cool running water and dry them. Trim the ends, cut each cucumber lengthwise, and use a small spoon to scrape a centered channel from the seed side, leaving sturdy walls about 6 mm (1/4 in) thick and an intact base so the boats stay rigid. Pat the cut surfaces dry and arrange them cut-side up on a serving platter.
Check and flake the trout
Place 115 g of fully cooked hot-smoked trout on a clean plate. Remove any skin, break the fish into large flakes, and run your fingertips gently over each piece to find and remove pin bones. Transfer the checked flakes to a medium bowl.
Mix the smoky herb filling

Add 45 g of pasteurized cream cheese to the trout; it should now be soft enough to stir. Finely grate the zest from 1 small lemon, squeeze in about half the juice, and add 5 g of prepared horseradish. Rinse and drain 9 g of capers, chop them, and add them with 5 g of fresh dill and 15 g of scallion, reserving a small pinch of the herbs for finishing. Fold with a fork until the mixture holds together but still shows distinct trout flakes. Season with 0.5 g of black pepper, then add more of the reserved lemon juice only if the filling needs brightness.
Fill and arrange the boats

Spoon the filling evenly into the cucumber channels and press it lightly so it sits below the edges without spilling over. Set the boats in staggered pairs on the platter, then scatter the reserved herbs over the tops. Serve immediately while the cucumber is crisp and the filling is cool.
Smart Substitutions
- No cream cheese? Use an equal weight of thick plain Greek yogurt; the filling will be softer, so keep the cucumber channels shallow.
- No horseradish? Add extra lemon zest and a small pinch of cayenne for a bright, gentler bite.
- No capers? Use finely chopped cornichons, drained well so the filling stays firm.
- No smoked trout? Use fully cooked canned salmon, drained thoroughly and checked for bones.
Tips and Variations
- Choose straight, firm Persian cucumbers so the finished boats rest evenly on the platter.
- Pat the channels dry before filling; surface moisture can loosen the cream cheese mixture.
- Arrange the boats in staggered pairs so guests can lift one without disturbing the next.
What Went Wrong?
- Filling is too loose Fold it firmly against the side of the bowl until the cream cheese binds the trout, and do not add more lemon juice.
- Boats tip on the platter Shave a paper-thin strip from the peel side to create a flat base without cutting into the channel.
- Filling tastes too salty Fold in some of the reserved lemon juice and spread the filling evenly across the boats; do not add salt.
- Filling looks pasty Stop mixing as soon as it holds together and leave several visible flakes of trout.
Nutrition Estimate
- Fiber: 1 g per serving
- Sodium: 400 mg per serving
Nutrition disclaimer:This recipe is provided for general cooking information only. Nutrition values are estimates and may vary by ingredients, brands, preparation methods, and serving sizes. Check ingredient labels and follow appropriate food-safety practices. This content is not medical, dietary, allergy, or professional food-safety advice.
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