Not authentic but:
Brown mince frying fat off. Drain mince. 500-750g Meanwhile soften finely chopped onion, and bit of finely chopped smoked bacon, add mince and 2-3 crushed garlic cloves. Add large glass of red and bring to simmer for 5/10 mins, add can chopped toms and 2tbs Tom puree. Season with salt and pepper and add oregano. I might also add basil and/or parsley if in fridge. Simmer for at least an hour. If there's cream in the fridge that need using I'll add a tablespoon.
Children have phoned from uni to create this. But I say again I know it isn't authentic.