Cook the sweet potatoes in oven or microwave until soft and then mash

Fry onions, mince and garlic then add enough gravy to cover the mince along with the mixed hebs and tin of peas and baby carrots and simmer until preferred thickness

Pour mince mixture into square oven dish, cover with mashed potato, drag fork across to form ridges, add grated cheese then cook in 180 degree oven for 30 minutes or until golden on top