Pre-heat the oven to 200C/400F/Gas Mark 6.
Rub the oil onto the beef and then sprinkle over the salt, pepper and rosemary and roast the beef for about 60 minutes, for a medium cooked joint.
While the beef is resting heat the oven to 220C/200F/Gas Mark 7.
Crack the eggs into a bowl and beat them with the flour until smooth and then gradually add the milk.
Stir the chopped herbs and salt through the batter and leave to rest while you heat the oil.
Pour the oil evenly into a 12 hole muffin tin and place in the oven for 5-10 minutes until it is really hot.
Pour the batter evenly (and carefully!) into the hot oil and bake for 20 minutes, don't open the oven door while they are cooking.
Serve with roast beef and fresh vegetables.