
Grilled Trout with Celery Root Purée and Crispy Celery Garnish
Prep
20 mins
Cook
25 mins
Servings
4
Difficulty
Medium
This elegant dish comes together in just 45 minutes, making it perfect for a weeknight dinner that feels surprisingly restaurant quality. Fresh grilled trout pairs beautifully with a silky celery root purée that's both comforting and light, while crispy celery adds a delightful textural contrast. I love this recipe because celery root is packed with vitamin K and antioxidants, supporting bone health and reducing inflammation. The best part? You probably have most of these ingredients on hand already, and the whole meal is simple enough that even a busy weeknight feels manageable. Once you master this combination, you'll find yourself making it again and again.
Ella x
Ingredients
- 4fresh trout fillets(6 oz each, skin-on)
- ¾ kgcelery root(peeled and cubed)
- 3celery stalks(1 for purée, 2 for garnish)
- 118 mlcelery leaves(fresh, picked from hearts)
- 4 tablespoonsunsalted butter(divided)
- 59 mlheavy cream
- 1lemon(zest and juice)
- 2garlic cloves(minced)
- 177 mlvegetable broth
- 2 tablespoonsextra virgin olive oil
- 1 teaspoonsea salt(divided)
- ½ teaspoonblack pepper(divided)
- 4 sprigsfresh thyme
Detail level
Instructions
- 1
Begin by heating a pot of salted water and adding the cubed celery root and one chopped celery stalk. Boil for 15 minutes until the celery root is very tender, then drain well.
Tip: Drain the vegetables thoroughly to prevent a watery purée.
- 2
Return the drained vegetables to the pot and add 2 tablespoons of butter, the minced garlic, and heavy cream. Blend with an immersion blender until smooth, then season with half the salt and pepper. Keep warm on low heat.
Tip: For an extra silky texture, pass the purée through a fine-mesh sieve.
- 3
Pat the trout fillets dry with paper towels and season both sides with the remaining salt and pepper. Brush lightly with olive oil.
Tip: Dry fish is essential for achieving crispy skin when grilling.
- 4
Heat a grill or grill pan to medium-high heat. Place trout skin-side down and grill for 5-6 minutes without moving, allowing the skin to crisp. Flip carefully and grill the flesh side for 3-4 minutes until just cooked through.
Tip: The fish is done when it flakes easily with a fork and reaches 145°F internally.
- 5
While the fish cooks, finely dice the remaining 2 celery stalks into small pieces. Heat the remaining 2 tablespoons of butter in a small skillet over medium heat, add the diced celery, and sauté for 3-4 minutes until just tender and beginning to caramelize.
Tip: This creates a delicate celery garnish that adds texture and freshness.
- 6
Toast the celery leaves in a dry pan over medium heat for 1-2 minutes, stirring frequently, until fragrant and slightly crispy. Set aside.
Tip: Don't overtoast the leaves or they'll become bitter.
- 7
Make a quick lemon butter sauce by combining the remaining pan drippings with lemon juice, zest, and a pinch of salt and pepper.
Tip: This sauce can be made while the fish is resting.
- 8
Spoon the celery root purée onto each plate, top with a grilled trout fillet, then scatter the sautéed diced celery and toasted celery leaves over the top. Drizzle with the lemon butter sauce and garnish with fresh thyme.
Tip: Serve immediately while the fish is still warm and the purée is creamy.
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