Kale-Walnut Pesto Pasta

Ingredients:
1/2 bunch kale, stems discarded and leaves coarsely chopped
1 pound gemelli pasta
1/4 cup chopped walnuts
1 clove garlic, chopped
1/2 cup grated parmesan cheese, plus more for sprinkling
Salt and pepper
1/4 cup extra-virgin olive oil

Directions:
1. In a large pot of salted water, cook the kale until tender, 4 o 5 minutes. Using a slotted spoon, transfer the kale to a colander and rinse with cold water. Add the pasta to the pot and cook until al dente. Drain, reserving 1/3 cup the pasta cooking water. Return the pasta to the pot.

2. Meanwhile, squeeze the kale to remove the excess water. Ina food processor, combine the kale, walnuts, garlic, and parmesan until almost smooth; season with salt and peeper. With the machine running, add the olive oil.

3. Add the pesto to the pasta, along with enough pasta cooking water to loosen the pesto as necessary. Serve sprinkled with more parmesan.