Basic tomato sauce

Instructions

1. Heat oil in a large non-stick frying pan over medium heat. Cook onion and garlic, string, for 5 minutes or until softened. Transfer to a 4.5 litre (18-cup) slow cooker.
2. Meanwhile, cut tomatoes in half crossways. Scoop out and discard the pulp and seeds. Roughly chop tomatoes, discarding the cores.
3. Add the tomatoes, tomato paste, basil and oregano to slow cooker and stir to combine. Cook, covered, on low for 8 hours (or high for 4 hours). Stir once halfway through cooking.
4. Cool mixture slightly. Process sauce with a stick blender or food processer, until smooth. Season with salt and pepper. Use or cool before storing.