Yeast 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 a hot oven. Because everything is made from scratch with whole, recognizable ingredients, there's no need to scan labels for hidden additives that can sneak into store-bought sauces and condiments. The lemon juice in the pesto does double duty, brightening the rich walnut-basil paste while keeping the flavor clean and vibrant without relying on anything fermented. Roasting at 425°F means the potatoes get properly caramelized cut-side down while the fish stays moist and just barely opaque at the center — it's a technique that rewards you with real texture contrast. A squeeze of fresh lemon at the table ties everything together and makes the whole dish feel a little more special. Cleanup is minimal, the flavors are bold, and this one is genuinely worth adding to your regular rotation.
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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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