Pan-Seared Trout with Herb Butter and Sautéed Mushrooms
Delicate trout filets pan-seared to golden perfection, topped with a fragrant herb butter and served alongside earthy sautéed mushrooms. This French-inspired seafood recipe, ready in about 25 minutes, pairs trout filets, skin on, unsalted butter, fresh parsley, finely chopped for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 4 filets (about 6 oz each) trout filets, skin on
- 4 tbsp unsalted butter
- 2 tbsp fresh parsley, finely chopped
- 1 tbsp fresh thyme leaves
- 3 cloves garlic cloves, minced
- 8 oz cremini mushrooms, sliced
- 2 tbsp olive oil
- 1 tbsp lemon juice
- 1 tsp salt
- 1/2 tsp black pepper, freshly ground
Affiliate disclosure: AislePrompt may earn a commission on qualifying purchases made through Amazon links, at no additional cost to you. See our policy →
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: In a small bowl, mix 4 tbsp unsalted butter with 2 tbsp finely chopped fresh parsley and 1 tbsp fresh thyme leaves; set herb butter aside.
- Step 2: Heat 2 tbsp olive oil in a large skillet over medium heat. Add 8 oz sliced cremini mushrooms and 3 minced garlic cloves; sauté for 5-6 minutes until mushrooms are browned and fragrant. Season with 1/2 tsp salt and remove mushrooms from skillet.
- Step 3: Pat 4 trout filets dry and season both sides with 1 tsp salt and 1/2 tsp freshly ground black pepper.
- Step 4: In the same skillet, place trout filets skin side down over medium-high heat. Cook for 4-5 minutes until skin is crisp, then carefully flip and cook for 2-3 minutes more until flesh is opaque.
- Step 5: Remove trout from heat and place 1 tbsp herb butter on each filet to melt.
- Step 6: Drizzle 1 tbsp lemon juice over the trout and serve immediately with sautéed mushrooms on the side.
Frequently asked questions
How long does Pan-Seared Trout with Herb Butter and Sautéed Mushrooms take to make?
Total time is about 25 minutes (10 min prep + 15 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Pan-Seared Trout with Herb Butter and Sautéed Mushrooms?
Refrigerate in a covered airtight container for up to 3–4 days (FDA FoodKeeper guideline for cooked fish). Store any fresh salsa or citrus-based garnish in a separate container — it keeps for up to 2 days. Freeze cooked fish (without fresh garnishes) for up to 3 months; thaw overnight in the fridge and reheat gently at 275°F until just warmed through to preserve texture.
Can I substitute ingredients in Pan-Seared Trout with Herb Butter and Sautéed Mushrooms?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Pan-Seared Trout with Herb Butter and Sautéed Mushrooms for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Pan-Seared Trout with Herb Butter and Sautéed Mushrooms?
French seafood like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
