Cheese and Potato 'Pie' for 4

Scaled to serve 3

0.8 medium onionpeeled and dicedboil til softdrainremove shoemashbake til cheese golden
6.0 medium potatoescleaned and diced
0.8 shoeunlace
1.5 tbsp of butter
0.8 dash of milk
75.0 g of cheddargrated
56.2 g of cheddar to topgrated
preheat oven 180c