Very veggie mashed potato

large potatoes ((~ 1 kg / 35 oz))

vegetable stock cube

small head broccoli ((~ 130g / 4.5 oz), cut into tiny florets)

medium carrots ((~ 90g / 3 oz), grated)

~ 1/2 cup frozen peas

cheddar cheese, (grated (~ 1 cup when grated))

(~ 1/4 cup) milk

Salt

Black pepper