Destem the kale leaves into a colander and tear into small, bite sized pieces (about 1-2 inches). Rinse the kale pieces under cold water and allow the water to drain. Leave the kale in the colander to dry until needed.
Peel and finely mince the garlic.
Bring a large pot of water to boil. Remove half of the package of pasta from the package, break it in half, and add it to the pot of boiling water. Boil for 5 minutes and drain the pasta in a colander.
While the pasta is cooking, add oil and butter to a large pan and cook over medium heat until most of the butter has melted.
Add the minced garlic and sauté until is has turn soft and fragrant, stirring frequently, about 1-2 minutes (keep a watchful eye while sautéing the garlic to avoid burning).
Add the kale and continue to sauté until the kale becomes soft and bright green, about 5-7 minutes.
Add the drained pasta to the pan with the sautéed kale and turn off the heat. Toss the pasta and kale together and allow the mixture to cool until it is no longer steaming but still warm.
Add the parmesan cheese to the noodle and kale mixture (about half of the bag). Add salt, pepper, and chili flakes to taste. Toss everything together and enjoy!