Serves 4, Preparation 20 mins, Cooking about 25 mins
10 White onions medium-size
Fresh rosemary, a sprig
Fresh sage leaves, about 3-4
Fresh thyme, 2 sprigs
Marjoram, a sprig
Fresh mint leaves, 2-3
2 bay leaves
1 peeled garlic clove, to mince
a handful of grated Pecorino cheese – Parmigiano as...