
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 a small step that pays off big — it draws out a rich, nutty depth that makes the finished pesto taste far more complex than the ingredient list suggests. Nutritional yeast steps in for parmesan, delivering that umami punch without any dairy, which is exactly what makes this a smart choice for anyone navigating alpha-gal syndrome. Since the condition requires avoiding mammalian products like traditional cheese, a plant-based swap here isn't a compromise — it genuinely works. Fresh basil, lemon juice, and good olive oil round everything out into a sauce that's vibrant and balanced. Toss it with pasta, spread it on toast, or spoon it over roasted vegetables — this pesto is endlessly versatile and comes together in minutes with just a skillet and a food processor.
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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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