Smoked Trout Fillets with Herb Butter with lemon and fresh herbs on a plate

Smoked Trout Fillets with Herb Butter

Delicate trout fillets smoked to perfection with herb-infused butter, plus a lighter version featuring bright citrus and fresh herbs.
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Kcal:
285
Protein:
26g
Fat:
19g
Carbohydrates:
2g
Serving size:
100g
Prep:
15 Mins
Cook:
30 Mins
Total:
45 Mins

Ingredients

4 trout fillets (150g / 5.3 oz each), skin-on

115g (1/2 cup) unsalted butter, softened

3 tablespoons (45ml) olive oil

2 tablespoons (30g) fresh dill, finely chopped

2 tablespoons (30g) fresh parsley, finely chopped

2 cloves (10g) garlic, minced

1 tablespoon (15g) lemon zest

1 tablespoon (15g) kosher salt

2 teaspoons (10g) black pepper

1 lemon (100g), sliced into rounds

Cooking Instructions

Step 1:
Prepare your smoker to 107°C (225°F) using applewood chunks or chips.

Step 2:
Rinse 4 trout fillets (150g / 5.3 oz each) under cold water and pat completely dry with paper towels.

Step 3:
In a bowl, combine 115g (1/2 cup) softened butter, 1 tablespoon (15ml) olive oil, 2 tablespoons (30g) dill, 2 tablespoons (30g) parsley, 2 cloves (10g) minced garlic, 1 tablespoon (15g) lemon zest, 1/2 tablespoon (7.5g) salt, and 1 teaspoon (5g) black pepper. Mix until well combined.

Step 4:
Brush each trout fillet with 1/2 tablespoon (7.5ml) olive oil on both sides, then season with remaining 1/2 tablespoon (7.5g) salt and 1 teaspoon (5g) black pepper.

Step 5:
Spread about 2 tablespoons (30g) of the herb butter mixture evenly on the flesh side of each fillet.

Step 6:
Place the trout fillets skin-side down directly on the smoker grates and smoke for 25-30 minutes, until the internal temperature reaches 63°C (145°F) and the flesh flakes easily with a fork.

Step 7:
Carefully remove trout fillets from the smoker and let rest for 3-5 minutes before serving.

Step 8:
Serve each fillet with a lemon slice and any remaining herb butter melted over the top if desired.

Kcal:
180
Protein:
27g
Fat:
7g
Carbohydrates:
3g
Serving size:
100g
Prep:
15 Mins
Cook:
30 Mins
Total:
45 Mins

Ingredients

4 trout fillets (150g / 5.3 oz each), skin-on

2 tablespoons (30ml) olive oil

3 tablespoons (45g) fresh dill, finely chopped

3 tablespoons (45g) fresh parsley, finely chopped

3 cloves (15g) garlic, minced

2 tablespoons (30ml) lemon juice

2 tablespoons (30g) lemon zest

1 tablespoon (15g) kosher salt

2 teaspoons (10g) black pepper

1 lemon (100g), sliced into rounds

Cooking Instructions

Step 1:
Prepare your smoker to 107°C (225°F) using applewood chunks or chips.

Step 2:
Rinse 4 trout fillets (150g / 5.3 oz each) under cold water and pat completely dry with paper towels.

Step 3:
In a bowl, combine 1 tablespoon (15ml) olive oil, 3 tablespoons (45g) dill, 3 tablespoons (45g) parsley, 3 cloves (15g) minced garlic, 2 tablespoons (30ml) lemon juice, 2 tablespoons (30g) lemon zest, 1/2 tablespoon (7.5g) salt, and 1 teaspoon (5g) black pepper. Mix until well combined.

Step 4:
Lightly brush each trout fillet with 1/4 tablespoon (3.75ml) of the remaining olive oil on both sides, then season with remaining 1/2 tablespoon (7.5g) salt and 1 teaspoon (5g) black pepper.

Step 5:
Spread about 2 tablespoons (30g) of the herb mixture evenly on the flesh side of each fillet.

Step 6:
Place the trout fillets skin-side down directly on the smoker grates and smoke for 25-30 minutes, until the internal temperature reaches 63°C (145°F and the flesh flakes easily with a fork.

Step 7:
Carefully remove trout fillets from the smoker and let rest for 3-5 minutes before serving.

Step 8:
Serve each fillet with a lemon slice and a light sprinkle of additional fresh herbs if desired.

Grillwisehub FAQ for:

Smoked Trout Fillets with Herb Butter

What is the best way to tell when my smoked trout fillets are perfectly cooked?

For perfectly cooked smoked trout, use both time and temperature as guides. Smoke the fillets for 25-30 minutes at 107°C (225°F), but always verify doneness with an instant-read thermometer inserted into the thickest part of the fillet. The internal temperature should reach 63°C (145°F). Visually, properly cooked trout will have opaque flesh that flakes easily when tested with a fork. Be careful not to overcook, as trout is delicate and can dry out quickly. If you notice the flesh beginning to separate or the skin starting to crisp too much, check the temperature immediately as it may be nearing completion faster than expected.

Can I substitute the butter in the traditional recipe for a healthier option while maintaining flavour?

Yes, you can make meaningful substitutions to reduce the fat content while maintaining excellent flavour. The low-calorie version already demonstrates this by eliminating butter completely and using olive oil instead, which reduces the calories by approximately 105 per serving and fat by 12g, while maintaining an excellent flavour profile. For a middle-ground approach, try using 30g (2 tablespoons) of Greek yoghurt mixed with 15ml (1 tablespoon) of olive oil as a butter replacement. This substitution cuts calories by about 70% compared to butter while adding protein and providing a creamy texture. Another option for those following dairy-free diets is using 45ml (3 tablespoons) of avocado oil with herbs, which offers heart-healthy monounsaturated fats while maintaining a rich mouthfeel.

How can I prevent my trout fillets from sticking to the smoker grates?

Preventing trout fillets from sticking to smoker grates is crucial for this delicate fish. First, ensure your grates are thoroughly cleaned and well-oiled before cooking. An often overlooked step is making sure the fish is completely dry—pat the fillets thoroughly with paper towels before seasoning. The skin-side-down placement specified in the recipe is intentional; the skin creates a natural barrier between the flesh and the grate. For extra insurance, you can place the fillets on pieces of oiled aluminium foil with small holes punched in it, or use a well-oiled fish basket specifically designed for grilling delicate fish. If using a fish basket, preheat it on the smoker first. Finally, resist the urge to move or flip the fillets during the first 20 minutes of cooking—the proteins need time to set and naturally release from the grate.

How does this smoked trout recipe fit into a fitness-focused diet?

This smoked trout recipe is exceptionally well-suited for fitness-focused diets. The traditional version provides an ideal 58% protein, 40% fat ratio with minimal carbs (2%), making it perfect for low-carb and keto diets with 285 calories per serving. The high-quality protein (26g) supports muscle recovery and growth while the healthy fats from both the trout (rich in omega-3 fatty acids) and olive oil support hormone production and joint health. The low-calorie version is even more fitness-friendly at just 180 calories with an impressive 71% protein, 26% fat ratio, offering 27g of protein per serving. Trout itself is an excellent source of vitamin D, vitamin B12, and selenium—nutrients crucial for energy metabolism and immune function. For those tracking macros, the low-calorie version offers substantial protein without excessive calories, making it ideal for cutting phases or calorie-restricted diets, while the traditional version provides more energy-dense nutrition suitable for maintenance or muscle-building phases.

What's the best way to store and reheat leftover smoked trout fillets?

For optimal storage of leftover smoked trout, place cooled fillets in an airtight container and refrigerate for up to 3 days. If you need longer storage, vacuum sealing and freezing is effective for up to 2 months. For best texture, separate fillets with parchment paper before freezing. When reheating, gentle methods are crucial to prevent the fish from drying out. For refrigerated fillets, place them on a baking sheet, cover loosely with foil, and warm in a preheated 135°C (275°F) oven for 8-10 minutes until they reach an internal temperature of 74°C (165°F). Alternatively, use a steamer basket over simmering water for 3-4 minutes for a moist result. Avoid microwaving if possible, as it can toughen the delicate flesh. For frozen fillets, thaw overnight in the refrigerator before reheating. Importantly, never bring fish to room temperature before reheating as this creates food safety risks. Leftover trout is also excellent served cold in salads or made into a trout pâté with the herbs already present in the recipe.