Preheat oven to 350 F / 200 C

Cook macaroni for half the normal cooking time

Drain pasta and put into a large bowl with the ricotta , mix together throughly.

Add 4oz of cheddar cheese (one oz is left for later) and also add tomato soup.

Pour mixture into a baking dish and bake for 25 minutes.

Sprinkle the left over cheddar cheese and return to the oven for 5 minutes or until the cheese is golden brown and bubbly.