Southwestern Shepherd???s Pie???A Guest Po

Name: Southwestern Shepherd???s Pie???A Guest Po
Ingredients: * 1 1/2 lb (750 g) yukon gold potato, () cube; * 1/2 cup (125 ml) milk; * 2 tbsp (30 ml) butter; * 2 tbsp (30 ml) chopped fresh cilantro; * 1 tsp (5 ml) salt, divided; * 1 tsp (5 ml) freshly ground black pepper, divided; * 1 lb (500 g) lean ground beef; * 2 clove garlic; * 1/2 cup (125 ml) chopped onion; * 1 can (14oz 398ml to 19oz 540ml) black bean, drained and rinsed; * 1 can (14oz 398ml) diced tomato; * 1 1/2 cup (375 ml) corn kernel (thawed, if frozen); * 1/2 cup (125 ml) shredded cheddar cheese