Preheat oven to 400ºF degrees.
Cut end off garlic bulb, exposing the tops of the cloves. Place on a piece of foil, drizzle with EVOO, salt and pepper. Wrap garlic up in the foil and roast 45-50 minutes. Let cool then squish out the garlic cloves from the skins into a food processor.
While the garlic is roasting, bring a large pot of water to a boil. Salt it, add the spaghetti and cook until al dente. Drain, reserving 1 cup of the pasta cooking water.
Bring another large pot of water to a boil. Add salt and add kale cook for about a minute, drain and squeeze dry.