Tuber Gnocchi with Spinach Pesto

1. Gnocchi: Boil the potatoes, peel, and mash. Mix with the egg, flour, salt, and nutmeg. Shape into gnocchi. Cook in boiling water.
2. Pesto: Blend all pesto ingredients until smooth.
3. Serve the gnocchi with the spinach pesto.

Optional: Add cherry tomatoes, additional pine nuts, or fresh basil for a more appetizing presentation.