
Bright, herby, and deeply savory, this walnut pesto is the kind of sauce that makes you want to put it on absolutely everything. Toasting the walnuts first is the move — it draws out a rich, nutty depth that makes the finished pesto taste far more complex than the short ingredient list suggests. Nutritional yeast steps in to deliver that cheesy, umami punch you'd expect from a classic pesto, no dairy required. A hit of fresh lemon juice keeps the whole thing lively and balanced against the bold garlic and grassy olive oil. Many store-bought pestos and condiments sneak in mustard or mustard-derived ingredients as an emulsifier or flavor booster, so blending your own from scratch is the cleanest way to stay worry-free. The food processor does most of the heavy lifting, and the slow drizzle of olive oil at the end gives you that luscious, spoonable consistency without turning it into a paste. Toss it with pasta, swirl it into soups, spread it on toast, or use it as a dipping sauce — this one earns its place in your regular rotation fast.
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Add the walnuts to a small dry skillet over medium heat and toast, stirring frequently, until fragrant and lightly golden, about 3–4 minutes. Watch closely, as they can brown quickly. Transfer to a plate and let cool for 2 minutes.
Combine the toasted walnuts, basil, nutritional yeast, garlic, lemon juice, salt, and black pepper in a food processor. Pulse 8–10 times until the mixture is coarsely chopped and roughly uniform.
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