Blend the Sauce: In a powerful blender, combine lemon juice, lemon zest, cashews, water, olive oil, basil leaves, salt, and pepper. Blend until smooth.

Cook the Pasta: Boil salted water and cook pasta according to package instructions. Drain and reserve a cup of cooking water.

Toss the Ingredients Together: In a large bowl, combine drained pasta and sauce, adding reserved water if necessary.

Add the Cherry Tomatoes: Fold in halved cherry tomatoes, mixing gently until warmed through.

Garnish and Serve: Serve pasta in bowls, garnished with Parmesan cheese and fresh basil.