Cauliflower Risotto With Spicy Pangrattato

breadcrumbs, from a slightly stale country loaf

anchovies in olive oil, undrained

or two of hot chili flakes, or to taste

chicken stock

medium head cauliflower

butter

olive oil

large onion, finely chopped

garlic, finely chopped

carnaroli or arborio rice

dry vermouth or white wine

finely chopped rosemary

freshly grated parmesan cheese

Salt and freshly-ground black pepper

Extra parmesan cheese, for serving