Beef bourguignon

Name: Beef bourguignon
Ingredients: 1.6kg braising steak, cut into large chunks; 3 bay leaf; small bunch thyme; 2 bottles cheap red wine; 2 tbsp oil; 3 large or 6 normal carrots, cut into large chunks; 2 onions, roughly chopped; 3 tbsp plain flour; 1 tbsp tomato purée; small knob butter; 300g bacon lardons; 500g pearl onions or small shallots, peeled; 400g mushrooms, halved; chopped parsley