Rump steak and sweet potato mash

Boil 200g orange sweet potato (kumara) (chopped) for 10 minutes or until tender. Drain and mash with ½ tsp olive oil and 2 tbs skim milk. Season and stir through handful baby spinach leaves. Rub 150g lean rump steak (fat trimmed) with ½ tsp olive oil and season. Cook on a hot chargrill pan for 1 minute each side. Serve Steak with mash and 150g steamed green beans.