Step 1

Coat a large nonstick soup pot with cooking spray; heat over medium high heat. Add sausage and cook, stirring often and breaking apart sausage with a wooden spoon, until well-browned, 8 minutes; remove sausage to a bowl.

Step 2

Add onion and salt; cook, stirring often, until onion is softened, 5-8 minutes. Add garlic and hot pepper flakes; cook, stirring, 1 minute. Add broth; bring to a boil over high heat. Add pasta; cook, stirring frequently, 8 minutes. Add broccolini; cook, stirring occasionally, until pasta is al dente, about 4 minutes more.

Step 3

Stir in cooked sausage, 3 Tbsp Parmesan, lemon zest, and lemon juice; garnish with tomatoes, basil, and remaining 1 Tbsp Parmesan.

Step 4

Serving size: 1 1/2 cups