Cook the pasta in a large saucepan of salted boiling water until al dente. Drain and return to the pan.
Step 2
Meanwhile, heat the oil in a large frying pan over medium-low heat. Cook the garlic for 1 minute or until aromatic. Stir in the chilli, anchovy and parsley stems for 1-2 minutes or until aromatic. Remove from heat.
Step 3
Add the spaghetti, parsley leaves and a handful of breadcrumbs to the pan. Season. Toss until well combined. Top with pecorino.