Tip the pasta into a large
pan of boiling salted water and cook
according to pack instructions. Meanwhile,
bring a smaller pan of salted water to the
boil, add the broccoli and boil for 4 minutes.
Drain the broccoli
and return it to the pan. Lightly mash the
broccoli with a potato masher or fork.
Finely grate the garlic and zest the lemon,
then mix into the broccoli with the chilli
flakes and pine nuts. Cut the lemon in half
and keep for later.
Drain the pasta and
return it to the pan. Stir in the broccoli
pesto and squeeze over the juice of
1⁄2 lemon. Pour in the olive oil and
generously season with salt and pepper.
Spoon in the grated Parmesan, toss the
pasta well and serve.