Heat a frying pan (not non-stick) over a high heat and add the bacon and minced pork, and cook for two minutes.
Add the beef to the pork mix and cook until it starts to caramelise, stirring occasionally. This will take around 10-12 minutes.
After cooking, season well with salt and pepper, then add the bay leaves and transfer to a slow cooker.
Cut your celery, carrot and onion into a uniform fine dice approximately 3mm (⅛") in size.
Do this whilst the meat is cooking.
Return the pan to the heat and add the butter. When melted, add the onion, carrot and celery and cook over a medium heat until softened, this will take about 10-12 minutes. Do not colour the vegetables.
Turn the heat up to high and add the tomato puree and red wine, cook for a couple of minutes, mixing well. Add this mix to the slow cooker and mix well.
Add the lid and cook on low for 4 hours or high for 2 hours.
Pour in the milk and continue to cook on for a further 45-60 minutes.
Stove Top Instructions:
Heat a 28cm or 11" frying pan (not non-stick) over medium/high heat. When it is hot, add the bacon and cook for 2 minutes.
Add the butter, and when it begins to foam, add the onion, carrot and celery and cook until softened, this will take about 10-12 minutes. Do not colour the vegetables.
Turn the heat up and add the minced pork and beef, and cook until well-browned, stirring occasionally; this will take 10-15 minutes.
Stir in the add the tomato puree and red wine.
Cook for 5 minutes before adding a lid, then reduce the heat to low and cook for 90 minutes.
Remove the lid and stir in the milk, return the lid and cook for another 30 minutes.