Peel and cut sweet potatoes into cubes, simmer for 20mins in a pan with 2 teaspoons of salt

Drain the potatoes and add butter, garlic, salt and Parmesan

Mash the potatoes, add a splash of milk if required

Add oil and seasoning to griddle pan and put on a high heat, cook the steaks for 3 mins either side and then let them rest for 8 mins

Slice the steaks and serve with the sweet potato mash (chopped parsley ontop) and sautéed brocilli