Broccoli Pesto Pasta

Name: Broccoli Pesto Pasta
Prep time: 20 min
Cook time: 15 min
Total time: 35 min
Cuisine: Italian
Ingredients: 4 cups broccoli florets; 1 pound pasta, such as penne or rigatoni; 2 cups lightly packed basil leaves; 2 garlic cloves, smashed; ¼ cup pine nuts, plus more for serving; 1 cup extra-virgin olive oil; ½ teaspoon sea salt; 1 cup freshly grated Parmesan, plus more for serving; Crushed red pepper flakes, for serving, optional