1: Cook the pasta according to package instructions.
2: In a pan, heat olive oil and sauté the shallots and garlic until translucent.
3: Add broccoli and cook until tender, then stir in the chopped potato.
4: Pour in the broth and bring to a simmer, adding the dried red chilli.
5: Once the potato is soft, blend the mixture until smooth.
6: Mix the pasta with the broccoli sauce, add lemon juice, and stir in butter and parmesan.
7: Season with salt and pepper to taste before serving.