Spag Bol Sauce Tips;
Onions & Garlic first, but don't over do them, get the meat in early.
The wife has been adding a dose of carrot and zucchini lately, but we grate it fine (definitely not chunky cut!

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"Stromboli" brand sauce is also really good. Good sauce, good value, they don't pay big premiums, so the sauce is down at foot level... Keep an eye out for it.
Looks like they have recently been acquired. Under an umbrella with Rosella now. Still Aussie made, etc.
http://www.gourmetfoodholdings.com.au/Shopcec5.html?s=&View=Item&Group=&Keyword=s&Product=24