“Killer” Chilli BBQ Sauce Recipe

Caitriona Redmond

July 10, 2012

family bbq

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The 12 year old calls this sauce the “killer” because it doesn’t take your breath away at first or even second taste. What it does is gives your lips a mild chilli tingle which gradually increases to a warmth. It keeps in a sealed jar in the fridge for weeks so you can come back to it again and again. This BBQ sauce recipe makes 500ml.

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  • 2 red onions
  • 1 white onion
  • 1 tin of chopped tomatoes
  • 30g of tomato puree
  • 30ml of vinegar (cider is best but malt is grand if you’re stuck)
  • 1 tablespoon of sugar
  • 1 tablespoon of sunflower oil
  • 1 tablespoon of worcestershire sauce
  • 1 teaspoon of salt
  • 1 teaspoon of dried chilli flakes


  • 1 large wide bottomed saucepan with a lid
  • 1 large spoon
  • 1 sharp knife
  • 1 chopping board
  • Stick blender
  • 1 large resealable jar


  1. Peel and finely slice the onions.
  2. Put the saucepan on a medium heat and add the sunflower oil to the pan.
  3. After 3 mins pour in your finely sliced onions.
  4. Stir on the medium heat to prevent the onions from over cooking at the bottom of the saucepan and/or sticking.
  5. This is the most time consuming part, cook the onions on a medium heat until they soften.  This takes about 20 mins.
  6. Add the chilli flakes, tomato puree, sugar, salt and worcestershire sauce. Stir well.
  7. Pour in the tin of chopped tomatoes, stir again.
  8. Turn the heat to low, put the lid on the top of the saucepan and simmer for 1 hour.
  9. After 1 hour turn the heat off, leave the lid on and leave to cool for about 20 mins.
  10. Pulse with the stick blender until a smooth sauce and decant into the jar.

This recipe, and more, is available on Wholesome Ireland

Related: Honey Sesame Sausages and Homemade Spice Mix/Dry Rub

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If you have tried this recipe let us know what you thought of it in the comments below

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Published On: July 10th, 2012 / Categories: Food and Recipes / Last Updated: January 15th, 2022 / Tags: /

About the Author: Caitriona Redmond

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Caitriona is a food writer, blogger and author, as well as a mother to 2 boys and a teen stepdaughter. After Caitriona was laid off during the recession, with her family budget getting smaller she found herself facing a shrinking amount of money on a weekly basis to spend on food. She could feed the family on convenience food for the same amount that she had to spend but she chose to cook the best food she could within their tight budget. Her blog is about her, how she manages and the rollercoaster that parenting and living on a tight budget brings.

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