Cheese And Mushroom Sausages

• 212 packet instant mashed potato mix
• 6 spring onions roughly (chopped)
• 1 salt
• 10,600 gr closed mushrooms quartered
• 700 ml boiling water a bowl (into)
• 75 ml sunflower oil
• 30 ml oil in a non stick frying (pan)
• 18 gr parmesan cheese (freshly grated plus)