Tamato sauce for pizza

The tomato sauce can be used in various dishes.  It also works well as a pasta sauce, in bolognese sauce or in lasagna.

Enough for 4-6 pizzas.

Ingredients
30 ml (2 T) butter
1 onion, grated
3,75 ml (¾ t) salt
5 ml (1 t) oregano
2.5 ml (½ t) chilli flakes
5 ml (1 t) crushed garlic
2 cans crushed tomatoes
7.5 ml (1½ t) brown sugar
7.5 ml (1½ t) chutney

Method
Fry onion, salt, oregano, chilli flakes and garlic in the butter.  Add the tomatoes, sugar and chutney.  Cook for 15 minutes, then blend the sauce with a stick blender, and cook for another 15 minutes.  Let the sauce cool before using.