Clean the kale leaves by removing the central stems. If you fold each leaf in half, you can easily slice the stem off!
With the help of a blender - a food processor works best - combine all the ingredients. Leave the olive oil for last to decide how much is needed according to the outcome and your preferred consistency.
Bring a big pot of salted water to a boil - about two liters (half a gallon) and one tablespoon of salt. Toss in the pasta and cook it according to the package directions.
Drain the pasta and season it with the pesto.
Serve hot!