| 1. |
Heat oil over medium heat in a large nonstick saucepan. |
| 2. |
Add onion and garlic, reduce heat to low, and cook until softened, about 7 minutes. |
| 3. |
Add broccoli, salt, and a pinch of pepper; stir well to coat. |
| 4. |
Add broth and lemon juice; raise heat and bring to a simmer. Partially cover, reduce heat to low, and simmer gently until broccoli is very tender, about 25 minutes. |
| 5. |
Transfer soup to a blender and puree, in batches if necessary, or use a hand blender. |
| 6. |
Serve hot, garnished with a small broccoli floret, if desired. |