Method

1. Preheat the oven to 200°C/180°C fan/Gas 6.
2. Put 200g dry pasta into a shallow ovenproof dish.
3. Pour on the sauce and fill the empty jar to the top of the label with cold water and stir into the pasta, coating well.
4. Bake uncovered, for 25 minutes.
5. Remove the dish from the oven add chopped onions and half the cheese, stir thoroughly.
6. Sprinkle the remaining cheese on top and return to the oven for 20 minutes until bubbling and golden.

Please ensure food is cooked through and piping hot throughout before serving.