This version comes from Trapani in Sicily, and uses almonds and tomatoes instead of pine nuts. Bring a pan of water ... water to the boil and cook the pasta until al dente. Drain it and stir ...

Place the pignoli, lemon juice, nutritional yeast, and salt in a food processor, and pulse a few times, until thoroughly combined. Gradually add 6 tablespoons water, and pulse until the texture ...