Fresh Tomato Borscht Soup Base
This tomato, pepper, carrot and onion mixture can be prepared as a fresh borscht starter for the refrigerator or freezer.
This tomato, pepper, carrot and onion mixture can be prepared as a fresh borscht starter for the refrigerator or freezer. Simmer the vegetables until the tomatoes thicken, then use the base within a few days or freeze it in meal-size portions. The source recommends sealing jars for winter, but it does not provide a tested canning process. Add cooked beets, cabbage and broth when turning the base into soup. Wash vegetables; chop tomatoes and pepper, grate carrot and dice onion. Warm oil in a large heavy pot and cook onion and carrot 8 minutes until softened. Add tomatoes, pepper, salt, sugar, bay and peppercorns; simmer uncovered 35 to 45 minutes until thickened, stirring often.

Recipe card
Fresh Tomato Borscht Soup Base
Equipment: Large pot, knife, cutting board and measuring tools
Ingredients
Instructions
Prep
Wash vegetables; chop tomatoes and pepper, grate carrot and dice onion.
Soften
Warm oil in a large heavy pot and cook onion and carrot 8 minutes until softened.
Simmer
Add tomatoes, pepper, salt, sugar, bay and peppercorns; simmer uncovered 35 to 45 minutes until thickened, stirring often.
Beans
If using cooked beans, stir them in for the final 10 minutes; remove bay leaf.
Cool
Cool promptly in shallow containers, refrigerate or freeze; add base to broth and cooked borscht vegetables when serving.
How to tell when it is ready
Cool promptly in shallow containers, refrigerate or freeze; add base to broth and cooked borscht vegetables when serving.
Tips
- Wash vegetables.
- Warm oil in a large heavy pot and cook onion and carrot 8 minutes until softened.
- Add tomatoes, pepper, salt, sugar, bay and peppercorns.
- If using cooked beans, stir them in for the final 10 minutes.
Troubleshooting
- If base is watery, simmer uncovered longer.
- If too acidic, add a pinch of sugar after tasting.
Substitutions
- Use yellow onion for white onion.
- Use passata for fresh tomatoes and reduce simmer time.
Variations
- Add cooked beets with broth.
- Include cooked white beans.
Serving suggestions
- Stir into beet broth.
- Add shredded cabbage.
- Serve with sour cream.
- Offer rye bread.
Make ahead
Prepare the measured ingredients in advance. Refrigerate up to 4 days or freeze in meal portions up to 3 months; do not pantry-can this recipe.
Storage
Refrigerate up to 4 days or freeze in meal portions up to 3 months; do not pantry-can this recipe.
Food safety
This is not a tested shelf-stable canning recipe; keep refrigerated or frozen.
Frequently asked questions
How do I know fresh tomato borscht soup base is ready?
Cool promptly in shallow containers, refrigerate or freeze; add base to broth and cooked borscht vegetables when serving.
How should I store fresh tomato borscht soup base?
Refrigerate up to 4 days or freeze in meal portions up to 3 months; do not pantry-can this recipe.
Stir into beet broth. Refrigerate up to 4 days or freeze in meal portions up to 3 months; do not pantry-can this recipe.
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