In a pan, fry the onion in the olive oil and just before golden add the mushrooms and chilli.
Stir in the tomatoes, add the salt and freshly ground black pepper and then basil leaves.
Cook for approximately 1 minute and serve immediately on top of meat, fish or vegetables.
Type the ingredients you want to use, then click Go. For better results you can use quotation marks around phrases (e.g. "chicken breast"). Alternatively you can search by chef, programme, cuisine, diet, or dish (e.g. Lasagne).