Chop up your mushroom and onion into small diced pieces.
Put the mince into a frying pan and start to fry it.
Add peas to the mince and add your diced mushrooms and onions.
Fill a pan with water, add salt and turn hob on to boil.
Add pasta to boiling water and stir.
Add tinned tomatoes to the frying pan with ingredients and mix them all together. Then add the oregano and stir again. After add hot water and add gravy granules and stir.
Drain cooked pasta and put it back in the pan.
Add the mix of ingredients into the pan with the pasta and stir together.
Serve up into a bowl and add cheese on top to melt.