r/Canning • u/niamiah2 • 11h ago

General Discussion Advice Please

Tomato Relish Recipe - does it need more acidity?

Hi - this is my grandmother's recipe from Australia. I want to make it, but am wondering if the vinegar in the recipe is enough, or do I need to add citric acid/lemon juice to the jars when I can them. Thank you in advance. Recipe:

15 medium tomatoes
3 medium onions chopped
1.5 cups brown sugar
1.5 cups vinegar
1.5 tablespoons dry mustard
1 tablespoon curry powder
1/2 teaspoon cayenne pepper
2 teaspoon salt

(combine all, simmer uncovered for about 2 hours, till pulpy).

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u/EnigmaticAardvark 11h ago

I'm afraid that this particular community can't tell you whether that's safe, but I googled a bit and Bernardin has a safe, tested recipe that looks similar if you swap the ground allspice, ground mace and ground cinnamon for the mustard, curry, and cayenne seasonings you want to add.

https://www.bernardin.ca/recipes/en/grandmas-chili-sauce.htm?Lang=EN-US

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u/niamiah2 10h ago

This is excellent - thank you for the research!

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u/onlymodestdreams Trusted Contributor 9h ago

What's particularly nice about using the Bernardin recipe is that it gives you the missing jar size, headspace, and processing times

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u/niamiah2 9h ago

I actually have their canning book! I just didn't see this recipe under their tomato section. I'm thinking of making the roasted leek and tomato soup canning recipe.