For the crust, wash, dry and finely chop the herbs. Beat the butter and mix with the herbs. Add breadcrumbs and stir, season with salt and pepper.
Pat the meat dry and season with salt and pepper on all sides. Fry all over in 1 tablespoon of olive oil in an ovenproof pan, then brush with the herb paste and place in the pan in the oven for 25 minutes.
Use a peeler or a knife to slice the parmesan into fine shavings. Take the meat out of the oven, wrap it in aluminum foil and let it rest for about 10 minutes. Then spread the parmesan on top.
Slice the roast beef and arrange on a large platter. Drizzle everything with a little olive oil and balsamic vinegar and serve.