Slow-Roasted Tomato Sauce (a Zero Waste alternative to tins and pastes)

This sauce provides a beautiful depth of flavour which negates the need for tomato paste to create a rich flavoured tomato based sauce perfect for pasta, bolognese and lasagne

For months I was replacing tinned tomatoes and tomato paste with fresh blended tomatoes – and I wasn’t getting the consistency nor the depth of flavour that I used to get from the tinned varieties.

Roasting tomatoes does 2 things – firstly it removes excess moisture which may cause your sauces to split.  Secondly it sweetens and condenses the texture of the tomatoes and creates a delicious, rich flavour that can be used quite nicely on its own, or as a base for other tomato based dishes.

Another reason why it’s great? It’s BUDGET FRIENDLY – I usually pick up a box of the slightly misshapen tomatoes from farmer’s markets from anywhere between 8-15 bucks, and it makes LOTS of sauce (at a guess I’d say 1 box makes about 10L sauce)

17966054_10158496377795570_5811141547908762455_oI am the tomato sauce Queeeeeen

Each quantity of this recipe makes about 1L of sauce – it’s hard to measure because it will vary on the type of tomatoes you use – but suffice to say if you’re buying in bulk it will be more than enough sauce!.

For each tray of tomatoes:

  • Approx 10-15 tomatoes, quartered
  • 1/2 bunch thyme, or a few Tbsp dried Italian Herbs
  • 1/2 bulb garlic – left with skin on
  • 1 Tbsp sugar
  • 1 Tbsp salt
  1. Preheat oven to 150’C
  2. Place tomatoes evenly onto a baking tray (I use reusable baking sheets)
  3. Sprinkle remaining ingredients onto tomatoes – place bulb of garlic in the middle
  4. Bake for approx 1 hour until tomatoes lose some of their moisture and dry slightly
  5. Leave to cool – once cool squeeze or peel garlic.  You will end up with deliciously sweet roasted cloves of garlic.
  6. Place everything into a blender, including any residual juice on the tray – blitz until smooth
  7. Place into containers or jars to freeze, or use within 5 days from the fridge

**NB if you want to make shelf stable tomato sauce, you will have to boil the sauce then use a bottling process (ie. creating a vacuum seal with sterilized glass jars)

Roasted Tomato Sauce 2


7 thoughts on “Slow-Roasted Tomato Sauce (a Zero Waste alternative to tins and pastes)

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