Pistachio 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, blistered green beans, and tender trout all coming together on a single pan. The real star is the homemade walnut pesto, blitzed together in a food processor with fresh basil, garlic, and a bright hit of lemon juice, then spooned generously over each fillet before it goes back into the oven. Walnuts bring that same rich, buttery depth you'd want from a classic pesto nut without any of the tree nut cross-contact concerns that come with pistachios, making this a genuinely worry-free version of a dish that often isn't. The trout roasts right on top of the vegetables, soaking up all those herby, garlicky juices as everything finishes together at 425°F. Because every component goes onto one pan in stages, you get perfectly cooked fish alongside properly caramelized potatoes and just-tender green beans — no juggling multiple pots or timing guesswork. A squeeze of lemon at the table pulls the whole thing into focus and makes it feel a little fancy for a Tuesday night.

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