Cauliflower Linguine with Creamy Smoked Trout, Asparagus & Dill
Smoky flakes of trout and tender asparagus tumble through cauliflower linguine in a silky cream sauce. Lemon and plenty of fresh dill keep it bright—a quick spring supper with enough richness to feel generous.
By Jonathan Katzman · Cooked and photographed · Recipe updated
Serves: 4 servings
Tags: gluten-free, pescatarian

Cauliflower Linguine
Flat noodles catch the creamy sauce and small flakes of trout. Finishing them gently in the sauce gives an even coating without breaking delicate cauliflower-based pasta.
Ingredients
- 12 oz gluten-free cauliflower-based linguine
- to taste kosher salt for the cooking water
Instructions
- Bring a large pot of water to a boil and salt it moderately; the smoked trout will contribute salt to the finished dish.
- Cook the linguine according to its package directions, stopping when just tender but still resilient. Avoid vigorous stirring if the noodles are fragile.
- Reserve 1½ cups cooking water before draining. Transfer the noodles directly to the warm trout sauce and fold gently, adding cooking water a little at a time until the sauce coats them loosely.
Notes
- Cauliflower-based pasta varies considerably in cooking time and composition. Choose a product explicitly labeled gluten-free and follow its package method, including any required rinsing.
Tender-Crisp Asparagus
Brief blanching preserves the asparagus's spring-green color and gives the rich pasta a crisp, fresh contrast.
Ingredients
- 1 lb asparagus, woody ends removed
- to taste kosher salt
Instructions
- Cut the asparagus on the diagonal into 1½-inch pieces, keeping the tips intact.
- Before cooking the pasta, blanch the asparagus in the salted boiling water for 2–3 minutes, until bright green and crisp-tender; thin spears may need only 1 minute.
- Lift out with a spider or slotted spoon and spread on a plate to stop carryover cooking. Keep the water boiling for the linguine.
- Fold the asparagus into the sauced pasta just before serving, warming it through without further softening it.
Creamy Smoked Trout Sauce with Lemon & Dill
Hot-smoked trout provides both the protein and the sauce's savory depth. Gentle heat preserves distinct flakes, while lemon and dill cut through the cream.
Ingredients
- 12 oz fully cooked hot-smoked trout, skin and pin bones removed
- 1 tbsp unsalted butter
- 1 medium shallot, finely minced
- 1 clove garlic, finely grated
- ¾ cup heavy cream
- 1 tsp finely grated lemon zest
- 1 tbsp fresh lemon juice, plus more to taste
- ⅓ cup roughly chopped fresh dill, divided
- to taste freshly ground black pepper
- to taste kosher salt, only if needed
Instructions
- Flake the trout into bite-size pieces, checking carefully for bones. Keep a few larger flakes for texture.
- Melt the butter in a wide, deep skillet over medium-low heat. Add the shallot and cook for 4–5 minutes until translucent without browning. Add the garlic and stir for 30 seconds.
- Pour in the cream and bring to a gentle simmer. Cook for 2–3 minutes, stirring, until slightly thickened but still fluid.
- Lower the heat and fold in the trout, lemon zest, black pepper, and half the dill. Warm for 1–2 minutes without boiling hard or breaking up all the fish.
- Add the cooked linguine and enough reserved cooking water to create a silky coating. Fold in the asparagus and remove from the heat.
- Add the lemon juice and most of the remaining dill, reserving a little for plating. Taste before adding salt. If the pasta looks tight or sticky, loosen it with another splash of warm cooking water and serve immediately.
Notes
- Use fully cooked hot-smoked trout rather than thinly sliced cold-smoked fish.
- Add the lemon juice off heat and avoid reducing the sauce heavily; it should be slightly looser in the pan than you want on the plate.
Overall Timing / Workflow
Preparing the sauce while the water heats lets the noodles go straight from the pot into a ready sauce, minimizing sticking and breakage.
Instructions
- 0:00 — Put the pasta water on to boil. Trim the asparagus, mince the aromatics, chop the dill, zest and juice the lemon, and flake the trout.
- 0:10 — Begin softening the shallot for the sauce. Blanch and lift out the asparagus once the water boils.
- 0:15 — Add the cream to the sauce and start cooking the linguine according to its package timing.
- During the pasta's final minutes, gently warm the trout in the sauce. Reserve cooking water, drain the pasta, and fold everything together.
- Finish off heat with lemon and dill, then plate immediately. Total time is approximately 25–30 minutes, depending on the pasta.
Plating
Warm, shallow bowls keep the cream sauce fluid and make the trout, asparagus, and dill visible rather than buried.
Instructions
- Divide the linguine among four warm shallow bowls, lifting and folding rather than tightly twirling fragile noodles.
- Distribute the asparagus and larger trout flakes over each portion, spooning any remaining sauce over the top.
- Finish with the reserved dill and a little freshly ground black pepper.
Leftover Path
A splash of water and low heat restore the cream sauce without drying out the trout or breaking the noodles.
Instructions
- Refrigerate leftovers in a shallow airtight container within 2 hours and eat within 2 days, or sooner if required by the trout's storage instructions.
- Reheat gently in a covered skillet over low heat with a splash of water, folding occasionally until hot throughout. Do not let the sauce boil vigorously.
- Refresh with a little lemon juice and fresh dill if available. The noodles and asparagus will be softer than when freshly cooked.