Cheese and Potato 'Pie' for 4

Scaled to serve 6

1.5 medium onionpeeled and dicedboil til softdrainremove shoemashbake til cheese golden
12.0 medium potatoescleaned and diced
1.5 shoeunlace
3.0 tbsp of butter
1.5 dash of milk
150.0 g of cheddargrated
112.5 g of cheddar to topgrated
preheat oven 180c