1 pound Italian sausage links hot or mild, casings removed ▢1 pound sweet potatoes ▢1 red bell pepper ▢½ red onion slivered ▢4 cloves garlic minced ▢2 tablespoon olive oil ▢½ teaspoon dried basil ▢½ teaspoon Kosher salt or to taste ▢¼ teaspoon black pepper or to taste For The Pasta ▢8 ounces rigatoni or other medium pasta shape ▢1 cup packed arugula or spinach leaves, *see note ▢½ cup shredded Parmesan cheese ▢1 teaspoon lemon zest ▢¼ teaspoon red pepper flakes