Grilled Steelhead Trout with Brown Sugar Lime Seasoning

Name: Grilled Steelhead Trout with Brown Sugar Lime Seasoning
Prep time: 5 min
Cook time: 25 min
Total time: 30 min
Yield: 6 servings
Cuisine: American
Ingredients: 1 14-16 ounce steelhead trout fillet (skin on); 2 lime (for garnish); 2 Tablespoons brown sugar; 2 teaspoons black pepper; 1 teaspoon coarse sea salt; ½ teaspoon dried basil; ½ teaspoon garlic powder; ½ teaspoon smoked paprika; 1 lime (for zest)

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This Grilled Steelhead Trout features a brown sugar and lime dry rub that caramelizes on the grill, creating a sweet-savory crust on flaky, moist fish. Ready in under 30 minutes with minimal prep.

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Grilled Steelhead Trout with Brown Sugar Lime Seasoning

Total

30 min

Servings

Recipe Source

View original recipe

From Heygrillhey · by Susie Bulloch

Ingredients

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1 14-16 ounce steelhead trout fillet (skin on)
2 lime (for garnish)
2 Tablespoons brown sugar
2 teaspoons black pepper
1 teaspoon coarse sea salt
½ teaspoon dried basil
½ teaspoon garlic powder
½ teaspoon smoked paprika
1 lime (for zest)

9 Ingredients

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Instructions

1
Preheat the grill. When ready to cook, set your grill up for two-zone grilling with an overall temperature of about 375 degrees F. While your grill preheats, prepare your trout.
2
Season the steelhead. Place the steelhead skin side down on a large piece of plastic wrap. Combine all of the ingredients for the rub in a small bowl and press onto the top of the trout.
3
Grill the trout. Remove the saran wrap and discard, place the trout skin side down on the indirect side of your grill grates and cook for 20-25 minutes, or until the internal temperature of the thickest part of the trout reaches 145 degrees F.
4
Serve. Carefully transfer the steelhead to your serving dish and garnish with lime wedges.

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Tips & Notes

Pro tips

Oil grill grates generously and preheat to medium-high heat. Skin-side down first prevents sticking and creates a protective barrier for the delicate flesh.
Apply the brown sugar rub just before grilling to prevent the sugar from dissolving or burning. The rub should caramelize, not char—watch for a golden crust.
Use a fish spatula or grill basket for easier flipping. The fillet is done when it flakes easily and reaches 145°F internal temperature, about 12–15 minutes skin-side down.
Zest the lime directly over the cooked fish to preserve brightness and prevent the zest from drying out during grilling.

Substitutions

Steelhead trout → salmon or arctic char (similar cook time and fat content)
Brown sugar → coconut sugar or demerara sugar (slightly different caramel notes, same cooking time)
Dried basil → dried oregano or thyme (½ teaspoon, adjusts herb profile but not cook time)
Smoked paprika → regular paprika or cayenne (removes smoke flavor or adds heat)

Storage & make-ahead

Store leftover grilled trout in an airtight container in the refrigerator for up to 3 days. Reheat gently in a 300°F oven for 5–8 minutes to preserve moisture; do not microwave.

Equipment

grill · fish spatula or grill basket

Common Questions

How do you know when grilled steelhead trout is done?

The flesh should flake easily with a fork and reach an internal temperature of 145°F. The skin will char slightly and lift from the grill grates easily when ready.

Can you use a different fish instead of steelhead trout?

Yes. Salmon, arctic char, or mackerel work well with this brown sugar lime rub. Adjust grilling time based on fillet thickness.

Should you remove the skin before or after grilling?

Keep skin on during grilling—it protects the delicate flesh and prevents sticking. Remove after cooking if preferred, or leave it for texture and nutrients.

Can you make the seasoning rub ahead of time?

Yes. Mix the brown sugar, salt, pepper, basil, garlic powder, and paprika up to 3 days ahead. Store in an airtight container. Apply lime zest just before grilling to prevent moisture loss.