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Keto Lemon Garlic Butter Trout Recipe

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A rich, low-carb trout dish with a velvety lemon garlic butter sauce, perfectly paired with flaky fish and fresh herbs. Ready in 25 minutes, this pantry-friendly recipe delivers restaurant-quality flavor for weeknights or special dinners.

  • Total Time: 25
  • Yield: 4 servings 1x

Ingredients

Scale

4 (6-ounce) trout fillets (skin-on or skinless)
4 tablespoons unsalted butter (or ghee for dairy-free)
2 tablespoons olive oil (or avocado oil)
4 cloves garlic, minced
3 tablespoons fresh lemon juice (plus zest from 1 lemon)
1 tablespoon capers, minced (optional)
1 tablespoon fresh parsley, chopped
Salt and cracked black pepper to taste

Instructions

Heat olive oil in a large skillet over medium-high heat.
Season trout fillets with salt and pepper, placing them skin-side down in the pan.
Sear trout for 4-5 minutes until golden and crispy; flip gently.
Add butter, garlic, and half the lemon zest; cook until foamy.
Stir in lemon juice and capers (if using), simmering 1-2 minutes.
Garnish with parsley and remaining zest before serving.

Notes

Cod or salmon can replace trout if preferred
Ghee or coconut oil work well for dairy-free keto
Capers add briny depth but can be omitted
Sealed leftovers keep for 2 days in the fridge

  • Author: Emilia
  • Prep Time: 10
  • Cook Time: 15
  • Category: Meals
  • Method: Pan-searing
  • Cuisine: American
  • Diet: Keto

Nutrition

  • Serving Size: 1 trout fillet with 2 tablespoons sauce
  • Calories: 420
  • Sugar: 3g
  • Sodium: 480mg
  • Fat: 33g
  • Saturated Fat: 22g
  • Carbohydrates: 4g
  • Fiber: 0.5g
  • Protein: 34g
  • Cholesterol: 180mg