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Writer's pictureNik Greenacre

Roasted Tomato Salsa (for Canning)

Ingredients:

  • 9 cups (about 12 medium) tomatoes (Roma or any ripe variety)

  • 2.5 cups onion, chopped

  • 2.5 cups pepper 

  • 3-4 jalapeño or serrano peppers (adjust for heat preference), seeded and chopped

  • 6 cloves garlic, peeled

  • 12 ounces tomato paste 

  • 4 tsp Sugar 

  • 1 cup white vinegar (5% acidity)

  • 1 tablespoon salt

  • 1/2 cup lemon

  • 1 teaspoon cumin (optional)

  • ½ cup fresh cilantro, chopped (optional)


Instructions:

1. Prepare the Canning Equipment:

  • Sterilise your jars, lids, and bands by boiling them in hot water for 10 minutes or running them through the dishwasher.

  • Keep jars warm until ready to fill.


2. Roast the Vegetables:

  • Preheat the oven to 425°F (220°C).

  • Core the tomatoes and peppers, and place them, along with the peeled garlic and chopped onions, on a baking sheet.

  • Roast for about 20-25 minutes, or until the tomatoes are soft and slightly charred.

  • Remove from the oven and let cool for a few minutes in a colander to remove liquid. Keep this tomato water as its amazing for soups, rice, etc. No food waste here.


3. Blend the Salsa:

  • Peel the skins off the tomatoes (they should come off easily after roasting). I skip this step as the skins don’t bother me.

  • In a blender or food processor, add the roasted tomatoes, onions, peppers, and garlic.

  • Blend to your desired consistency (chunky or smooth). 


4. Cook the Salsa:

  • Pour the blended mixture into a large pot.

  • Add the white vinegar, salt, and cumin (if using). Bring to a boil over medium-high heat.

  • Reduce heat to a simmer and cook for 10-15 minutes, stirring occasionally. Taste and adjust salt or vinegar if needed.


5. Fill the Jars:

  • Ladle the hot salsa into sterilised jars, leaving ½ inch of headspace at the top.

  • Add a teaspoon of sugar per jar, or to taste. 

  • Use a clean towel to wipe the rims of the jars, ensuring they are clean before placing the lids on.

  • Place the lids on the jars and screw on the bands until fingertip-tight.


6. Process the Jars:

  • Place the filled jars in a boiling water bath canner. Make sure they are covered by at least 1-2 inches of water.

  • Process the jars for 15 minutes (if you’re at altitudes of 1,000 feet or below; adjust time based on altitude).

7. Cool and Store:

  • After processing, carefully remove the jars and place them on a towel to cool. Leave them undisturbed for 12-24 hours.

  • Check that the lids have sealed properly (the center of the lids should not pop when pressed).

  • Store the sealed jars in a cool, dark place for up to 1 year.


Important Notes:

  • Vinegar and Acidity: Vinegar is crucial for canning safety because it ensures the salsa has the right acidity for long-term preservation.

  • Processing Time: Adjust processing time based on altitude:

    • 1,001 to 6,000 ft: 20 minutes

    • Above 6,000 ft: 25 minutes


Enjoy your homemade salsa year-round!







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