Instant Pot Sausage & Mash

large floury potatoes (peeled and cut into 1.5" sized cubes)

milk

Knob of butter

mustard powder (or use 2 tsp Dijon or Wholegrain mustard)

Salt and pepper to season

mature cheddar or Double Gloucester cheese (you can use more if you're feeling extra naughty ;, grated ))

thick pork sausages (prick with a sharp knife first just once per sausage)

olive oil

sticky onions* - onion jam/chutney/relish can be used (about 6 rounded tbsp)

red wine

water

cornflour mixed with 1 tbsp cold water

Salt and black pepper