Grate the pecorino.
Clean & trim the broccoli; cut it into small pieces. Discard the stems.
Cook the broccoli for about 10 min.
Chop the onion. Press the garlic. Crumble the chili; discard the pits.
Add the anchovies to olive oil & let them melt when starting frying.
Add the rest of the ingredients & fry softly.
Add the cooked broccoli & continue frying softly. Don't discard the water!
Add some hot water - 2-3 tbsp - to the sauce & mix. Crush the broccoli.
Add the pasta to the hot broccoli water & cook along to the instruction.
Add the cooked pasta to the broccoli sauce mess & mix.
Add half of the grated pecorino & mix.
Serve at once - together w/ the rest of the pecorino.