Preheat the oven to 160ºC/300ºF/Gas 2. Put a little oil and the knob of butter into a pot or casserole pan. Add the onion and all the sage leaves and fry for 3 or 4 minutes.
Toss the meat in a little seasoned flour, then add it to the pan with all the vegetables, the tomato purée, wine and stock, and gently stir together.
Season generously with freshly ground black pepper and just a little salt. Bring to the boil, place a lid on top, and then cook in the preheated oven for 3 hours until the meat is tender. Serve in stew bowls.
This recipe is perfect for making is large batches and freezing to use at a later date.
In order to enjoy optimum flavour and quality, frozen items are best used within 3 months of their freezing date.
Always defrost and heat thoroughly before eating. Never re-freeze food that has already been frozen; this includes raw and cooked ingredients such as meat, fish and poultry.
For top tips on protecting you and your family when preparing raw meat and poultry, visit Food Safety in the Home.