T-bone steak with shallot & tarragon butter - Irish Beef

Ingredients

• 4 x t-bone steaks, approximately 2.5cm thick
• 4 tbsp extra virgin olive oil
• Salt and freshly-ground black pepper
• 1 tbsp sunflower oil
• 175 g butter
• 3 shallots, very finely chopped
• 2 tbsp coarsely crushed black peppercorns
• 1 tsp Dijon mustard
• 2 tbsp chopped fresh tarragon
• 2 tbsp snipped fresh chives
• sea salt and freshly-ground black pepper
• crispy potato wedges
• lightly dressed green salad