Honey Free Pesto-Walnut Trout with Green Beans & Fingerling Potatoes Sheet Pan Dinner
This sheet pan dinner is the kind of weeknight meal that looks like you spent way more effort than you actually did — golden fingerling potatoes, crisp-tender green beans, and flaky trout all coming together on a single pan. The real star is the homemade walnut pesto, blitzed together from fresh basil, raw walnuts, garlic, and lemon juice, then spooned generously over each fillet before it goes back into the oven. It's bright, herby, and rich without being heavy. Many store-bought pestos and prepared fish dishes sneak in sweeteners you'd never expect, so making everything from scratch here keeps things completely clean. The technique is straightforward — potatoes get a head start, then the beans and trout join the pan in stages so everything finishes at the same time. A squeeze of lemon at the table pulls all the flavors into focus. It's an impressive, fuss-free dinner that works just as well for a quiet Tuesday as it does for company.
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Learn more →Ingredients
4 servings
For the sheet pan
- 1 ½ lb fingerling potatoes, halved lengthwise
- 3 tbsp extra-virgin olive oil, divided
- ¾ tsp kosher salt, divided
- ½ tsp black pepper, divided
- 12 oz green beans, trimmed
- 4 trout fillets (about 6 oz each), skin-on
For the pesto
- 1 cup fresh basil leaves, packed
- ½ cup raw walnuts
- 2 cloves garlic
- ¼ cup extra-virgin olive oil
- 2 tbsp fresh lemon juice
- ¼ tsp kosher salt
For serving
- lemon wedges, for serving (optional)
Instructions
- 1
Position a rack in the center of the oven and preheat to 425°F (220°C). Line an 18×13-inch rimmed sheet pan with parchment paper or foil.
- 2
Toss the halved fingerling potatoes with 2 tablespoons of the olive oil, 1/2 teaspoon of the salt, and 1/4 teaspoon of the pepper directly on the prepared sheet pan. Arrange cut-side down in a single layer. Roast for 15 minutes, until the cut sides begin to turn golden.
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