Brown beef, stir in onion and garlic til soften
Add in carrots, mushroom, corn and peas
Season
Pour diluted flour in water, stir to thicken, place filling on greased pan, top with some grated cheese
Mash potatoes with butter, seasoning, and milk
Add in some grated cheese to combine
Spread on top of filling, then sprinkle with some more cheese
Bake on preheated 400 for 20-25 minutes, take out and spread more cheese, and bake foe another 10-15 mins
Let stand 5-10 mins, slice and enjoy π