Safety classification
Tested
Testing authority: National Center for Home Food Preservation
Safety reviewed: 09/20/2026
Processing details
Altitude adjustment: Use the exact altitude-adjusted schedule in the cited recipe card.
Safety classification
Tested
Testing authority: National Center for Home Food Preservation
Safety reviewed: 09/20/2026
Processing details
Altitude adjustment: Use the exact altitude-adjusted schedule in the cited recipe card.
Tested source
Tested source. NCHFP Pickled Sweet Green Tomatoes
Preparation timeline
- Wash and slice tomatoes and onions. Place in a bowl, sprinkle with salt, and let stand 4 to 6 hours; drain.
- Heat and stir sugar in vinegar until dissolved. Tie mustard seed, allspice, celery seed, and cloves in a spice bag. Add the bag, tomatoes, and onions to the vinegar. Add only the minimum water needed to cover.
- Bring to a boil and simmer 30 minutes, stirring to prevent burning, until tomatoes are tender and transparent. Remove the spice bag.
- Fill hot jars and cover with pickling liquid, leaving 1/2-inch headspace. Remove bubbles, adjust headspace, wipe rims, and apply lids.
- Process pints for 10, 15, or 20 minutes at 0–1,000 ft, 1,001–6,000 ft, or above 6,000 ft. Process quarts for 15, 20, or 25 minutes at those elevations. Cool 12 to 24 hours and check seals.
Equipment
- Boiling-water canner
- Canning jars
- Two-piece
canning lids - Spice bag
Visual method guide
- Prepare: Wash and slice tomatoes and onions. Place in a bowl, sprinkle with salt, and let stand 4 to 6 hours; drain.
- Combine or cook: Heat and stir sugar in vinegar until dissolved. Tie mustard seed, allspice, celery seed, and cloves in a spice bag. Add the bag, tomatoes, and onions to the vinegar. Add only the minimum water needed to cover.
- Fill: Bring to a boil and simmer 30 minutes, stirring to prevent burning, until tomatoes are tender and transparent. Remove the spice bag.
- Process: Fill hot jars and cover with pickling liquid, leaving 1/2-inch headspace. Remove bubbles, adjust headspace, wipe rims, and apply lids.
Safety summary
A tested NCHFP recipe for spiced sweet green tomato pickles.
Safety classification: Research-tested home-canning recipe. Use 5% vinegar, preserve exact proportions, maintain 1/2-inch headspace, and follow jar-size and altitude-specific processing.
Do not substitute ripe tomatoes, dilute the vinegar, alter tested proportions, shorten the salted rest or 30-minute simmer, or use jars larger than quarts. Add only the minimum water needed to cover. No other change is presented here as safe unless the original tested source expressly permits it.
Simmer until the tomatoes are tender and transparent, stirring to prevent scorching. If a jar does not seal, refrigerate promptly or reprocess within 24 hours with a new lid and the full tested process.
Editorial review: Safety-critical values are tied to the cited source and must survive imports and audits.
About this recipe
A tested NCHFP recipe for spiced sweet green tomato pickles with altitude-adjusted processing.
Before you begin
- Method
- Boiling-water
canning - Headspace
- 1/2-inch headspace
- Recipe standard
- Use the complete formula and directions in the recipe card.
Safety classification
Tested
Testing authority: National Center for Home Food Preservation
Safety reviewed: 09/20/2026
Processing details
Altitude adjustment: Use the exact altitude-adjusted schedule in the cited recipe card.
Pickled Sweet Green Tomatoes — NCHFP
Ingredients
- 10 to 11 lb green tomatoes 16 cups sliced
- 2 cups onions sliced
- 1/4 cup canning or pickling salt
- 3 cups brown sugar
- 4 cups vinegar 5% acidity
- 1 tbsp mustard seed
- 1 tbsp allspice whole
- 1 tbsp celery seed
- 1 tbsp cloves whole
Equipment
- Boiling-water canner
- Canning jars Pint or quart jars
Directions
- Wash and slice tomatoes and onions. Place in a bowl, sprinkle with salt, and let stand 4 to 6 hours; drain.
- Heat and stir sugar in vinegar until dissolved. Tie mustard seed, allspice, celery seed, and cloves in a spice bag. Add the bag, tomatoes, and onions to the vinegar. Add only the minimum water needed to cover.
- Bring to a boil and simmer 30 minutes, stirring to prevent burning, until tomatoes are tender and transparent. Remove the spice bag.
- Fill hot jars and cover with pickling liquid, leaving 1/2-inch headspace. Remove bubbles, adjust headspace, wipe rims, and apply lids.
- Process pints for 10, 15, or 20 minutes at 0–1,000 ft, 1,001–6,000 ft, or above 6,000 ft. Process quarts for 15, 20, or 25 minutes at those elevations. Cool 12 to 24 hours and check seals.
Recipe Notes
Private Notes
Questions or results?
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Tried this recipe?
Share your results how it turned out.Serving suggestions
After opening, refrigerate the product and use it in ways appropriate to this recipe.
Frequently asked questions
Can I change the recipe?
Do not change safety-critical proportions, jar size, headspace,
What if a jar does not seal?
Follow the cited source’s directions for an unsealed jar; refrigerate promptly when required.
Comparison and context
A tested NCHFP recipe for spiced sweet green tomato pickles with altitude-adjusted processing.
Troubleshooting
Process pints for 10, 15, or 20 minutes at 0–1,000 ft, 1,001–6,000 ft, or above 6,000 ft. Process quarts for 15, 20, or 25 minutes at those elevations. Cool 12 to 24 hours and check seals.
Source & provenance
Garden planning for this recipe
Plant, space, variety, zone, and timing estimates live on dedicated ingredient pages:
Typical canning season
Season: Summer, Fall
Months: July, August, September, October
How much of the main ingredient should I grow?
40–80 lb of Tomatoes per person per year
This is an annual planning range that includes preserving and typical fresh use. Plant, row-foot, and square-foot estimates are shown only when compatible cited yield or spacing data is available.
Garden yields vary by cultivar, climate, soil, pests, and care. Always measure the exact prepared ingredient amount required by the tested canning recipe.

