200 g  Asda Free From Fusilli

1 tbsp  Olive Oil

1  Onions , finely chopped

2  Garlic Cloves , crushed

Chilli Flakes , a good pinch

400 g  Chopped Tomatoes , tinned

200 g  Tuna , tinned, in olive oil, drained

Rosemary , needles chopped to make 1 tsp (optional)

75 g  Mature Cheddar Cheese