Steak with mustard, garlic & thyme - Irish Beef

Ingredients

• 4 steaks, sirloin, ribeye or striploin, at least 1cm thick
• Salt and freshly ground black pepper
• 2 tsp. fresh thyme leaves, finely chopped
• 2 tbsp. rapeseed or olive oil
• 1 tbsp. Dijon mustard
• 1 tbsp. balsamic vinegar
• 1 garlic clove, peeled and finely chopped
• Salad and baby potatoes tossed in a little herby butter