step 1
Put the crushed peppercorns on a large plate and firmly press both sides of all the steaks on to them, ensuring all are well covered;
step 2
Cut 1in/2½cm pieces from the green ends of the spring onions and slice into strips;
step 3
Place the strips in a bowl of water and chill until curled;
step 4
Thinly slice the remaining onions;
step 5
Heat oil and ½oz butter in a large frying pan until butter begins to foam;
step 6
Add steaks and cook on both sides on a medium heat to desired state (about 1 to 2 minutes each side for rarish - 2 minutes plus for medium/rare and so on etc);
step 7
Remove steaks from pan, transfer to a warm plate and set aside;
step 8
Add non-curled spring onion to pan and cook for 1 minute;
step 9
Pour in stock and brandy, increase heat to high, bring to boil and boil rapidly for 2 minutes until liquid slightly reduced;
step 10
Turn off heat, whisk in remaining butter and season with salt if required;
step 11
Arrange steaks on serving plates, pour sauce over each one and garnish with the curled spring onion.