Bolognaise sauce

I've been doing this sauce since half-way through uni (circa 1996) when I shared a flat with another student studying to be a chef. The recipe is quite different now, because I've experimented along the way as I gained confidence with throwing stuff together. This sauce takes the best part of 4 hours to make, so I usually make enough to feed an army and freeze what I don't need that day for quick and easy meals on nights when I don't feel like cooking.
Ingredients
olive oil
2 large onions
6 garlic cloves
2 stalks of celery
4 regular sized carrots
3-5 cups of fresh mushrooms
At least 500g lean minced beef
800g tinned chopped tomatoes in tomato juice
12 fresh medium vine-ripened tomatoes (quartered)
100g tomato puree
2 teaspoons of sugar (to cut the acidity of the tomatoes)
1 organic beef stock cube
500ml boiled water
400ml dry white wine
Fresh basil and oregano
Salt and pepper to season
Method
Gently pan-fry onion and garlic in olive oil until onions are translucent
Meanwhile, dice carrots, celery and mushrooms
Add the beef to the pan with the onions and garlic, and gently brown it, stiring to break it up well
When the beef is browned, add carrots, celery and mushrooms and stir
Stir in the tomato puree
Add tinned tomatoes and chopped fresh tomatoes
Stir in the sugar
Dissolve the beef stock cube with the boiled water and add it to the pot
Add the wine
Cover and bring everything to the boil
Once it boils, reduce the heat to a gentle simmer and start working on the rest of your menu -- leave the sauce to simmer for at least 3 hours. It can go all day if you keep an eye on it and keep it on a gentle simmer.
Before you use the sauce, rip up some fresh basil and oregano and add this to the pot. Continue simmering gently.
Add salt and pepper to taste.
Serving suggestion
I make garlic butter while the sauce is simmering because you have to watch over that quite carefully and as I'm in the kitchen finishing off the sauce, I may as well do the butter. You can use this sauce for lasagne or spaghetti bolognese.

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