Place milk, dairy spread, flour and nutmeg (if using) into a cold saucepan all at the same time, then bring to the boil over medium heat whisking constantly until thick, smooth and glossy

Stir in cheese until melted. Remove from heat, set aside and keep warm

Rub both sides steaks with oil. Place half the pepper on a plate. Press steaks into pepper to lightly coat

Preheat a barbecue grill or grill pan on medium-high heat. Barbecue steaks for 4 to 5 minutes each side for medium or until cooked to your liking. Transfer to a plate. Cover with foil and set aside for 5 minutes to rest

Meanwhile, stir remaining cracked peppe into bechamel saucer. Serve over steaks with steamed greens