Cook the pasta in a pan of boiling salted water according to the packet instructions.,
STEP 2
Meanwhile, snap off and discard the woody ends of the asparagus, then finely slice the spears at an angle, leaving the tips whole.,
STEP 3
Peel and finely slice the garlic, crumble up the dried chillies, and place both in a large frying pan on a medium heat with 2 tablespoons of oil and the butter.,
STEP 4
When the garlic starts to sizzle, stir in the asparagus. Let it start to fry, then add a spoonful of pasta water, cover, and leave to simmer on a low heat until the pasta is al dente.,
STEP 5
Using tongs, drag the pasta straight into the asparagus pan, letting a little starchy cooking water go with it. Turn the heat off, then finely grate in the pecorino and toss together until the fat, cheese and liquid make a natural creamy sauce – loosen with a little extra cooking water, if needed.,
STEP 6
Taste and season to perfection, then divide between your plates. Finish with a grating of pecorino and a little lemon zest, to taste.