How to Can Diced Tomatoes
Diced tomatoes are the perfect canning project for beginners, and a super-versatile ingredient. Learn how to can diced tomatoes step-by-step!
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Servings: 9 pints
Calories: 85kcal
Ingredients
- 9 pounds tomatoes approximately
- 2 ¼ teaspoons powdered citric acid OR 9 tablespoons bottled lemon juice
Instructions
- Fill a water bath canner fit with a canning rack ⅔ full with water. Bring to a boil.
- Wash, sterilize, and heat nine wide-mouth pint canning jars.
- Score the bottom of each tomato in the shape of an “X.” Working in small batches, plunge tomatoes into boiling water for 45-60 seconds, or until the skins start to pull away from the tomato.
- Immediately submerge tomatoes into an ice bath and slip off the skins. Remove tomato cores and dice.
- Working one jar at a time, place ¼ teaspoon of powdered citric acid OR 1 tablespoon bottled lemon juice in the bottom of the hot jar.
- Pack raw diced tomatoes into the prepared jar. Press tomatoes with the back of a spoon to release juice and fill in spaces between tomatoes. Add in more tomatoes and juice, if necessary, to reach a ½” headspace between the top of the tomatoes and the top of the jar.
- Wipe the rim of the jar, place on the lid, and then screw on the band until fingertip tight. Place jar in canner, and then repeat with remaining eight jars, working one jar at a time.
- Ensure that jars are covered by at least 1” of water in the canner, then bring to a boil and process for 85 minutes. When processing time is up, turn off the canner and remove the lid. Wait five minutes, then remove the jars to a towel-lined countertop or table and cool completely.
- Check the seals by pressing on the top of the lid. If it flexes, immediately refrigerate the jar and use within 7-10 days. If the lid doesn’t flex, it is safe to store in a cool dark place. Use within a year for best flavor. Make sure to label your jars with contents and date before storing.
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Nutrition
Serving: 1pint jar | Calories: 85kcal | Carbohydrates: 18g | Protein: 4g | Fat: 1g | Saturated Fat: 0.1g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 0.1g | Sodium: 23mg | Potassium: 1075mg | Fiber: 5g | Sugar: 12g | Vitamin A: 3778IU | Vitamin C: 62mg | Calcium: 45mg | Iron: 1mg
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