Step 1:
chop up the onion into small pieces (otherwise you risk biting down on a massive chunk of half raw onion), add to a bowl full of baked beans, microwave for 1 1/2 minutes, add the grated cheese, cook for a further 30 seconds/until beans look nice and hot. Step 2:
give it a stir and before you know it you’re sticking two fingers up to that nasty hangover 