Pasta With Kale and Sunflower Seed Pesto
2 unpeeled garlic cloves
4 ounces kale, stemmed and chopped (2 cups)
1 cup fresh basil leaves
1 1⁄2 ounces Parmesan cheese, grated (3⁄4 cup), plus extra for serving
1⁄2 cup raw sunflower seeds, toasted 1 teaspoon red pepper flakes (optional)
Salt and pepper
1⁄2 cup extra-virgin olive oil
1 pound fusilli