Mushroom Bourguignon

2 onions, roughly chopped
1 carrot, cut into small chunks
2 cloves of garlic, minced
4 Portobello mushrooms
120g shitake mushrooms
200g mixed mushrooms
6 sprigs of thyme
150ml red wine
200ml vegetable stock
2 bay leaves
15ml tomato purée
15ml cornflour

Place a saucepan on medium-high heat, add a splash of vegetable oil and the onion and cook for 5 minutes.
Add the carrot and cook for another 5 minutes.
Add the garlic and cook for another minute.
Now add the mushrooms and thyme and cook for another 7 minutes.
Pour in the wine and cook for 2-3 minutes.
Stir in the stock, bay leaves and tomato purée.
Turn the heat down and sift the cornflour over the mixture.
Stir and cook for another 2-3 minutes until the sauce has thickened.
Season with salt and pepper.
Serve the mushroom bourguignon on mashed potato.