01 - Bring a large pot of salted water to a rolling boil over high heat.
02 - Combine basil, pine nuts, garlic, and Parmesan in a food processor. Pulse until finely chopped and well incorporated.
03 - With the motor running, slowly drizzle olive oil into the mixture until smooth and creamy. Season with salt, pepper, and lemon juice. Adjust seasoning to taste.
04 - Add gnocchi to boiling water. Cook according to package directions, typically 2-3 minutes, until pieces float to the surface.
05 - Drain gnocchi thoroughly in a colander and return to the warm pot.
06 - Add pesto to the pot and toss gently until gnocchi are evenly coated. Plate immediately, garnished with additional Parmesan and fresh basil leaves.