How to Package and Ferment Kimchi
This method divides a single batch of homemade kimchi into separate portions for immediate fresh consumption and controlled fermentation, giving you two flavor profiles from one preparation.
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This method divides a single batch of homemade kimchi into separate portions for immediate fresh consumption and controlled fermentation, giving you two flavor profiles from one preparation.
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Prepare one large and one small kimchi storage container.
Fill the large container with kimchi. This batch will be fermented.
Wipe the rim of the container clean with a paper towel.
Secure the inner and outer lids on the large container.
Fill the smaller container with the remaining kimchi. This batch will be eaten fresh.
Wipe the rim of the smaller container clean.
Place the lid on the smaller container and place it directly into the refrigerator.
Leave the large container on the counter at room temperature for 3 days to ferment and become sour.
After 3 days, move the large container into the refrigerator to store.
Store fresh kimchi refrigerated in an airtight container for up to 2 weeks; ferment the second portion at room temperature (burping daily) for 3–5 days, then refrigerate for months-long storage and continued mild fermentation.
airtight glass containers or mason jars · clean kitchen towels or cheesecloth · measuring spoons
Fermentation speed depends on temperature. At room temperature (68–72°F), kimchi develops noticeable sourness in 3–5 days; in a cool pantry or refrigerator, it takes 1–2 weeks or longer for deeper fermentation.
No. Use separate airtight containers—one kept at room temperature for fermentation and one refrigerated for fresh kimchi. This prevents cross-fermentation and lets you control sourness independently.
Store fresh kimchi in the refrigerator in an airtight container for up to 2 weeks. Fermented kimchi also keeps refrigerated and actually improves over time; it can last 2–3 months or longer when properly sealed.
Yes. As gases build up during fermentation, gently open the lid daily or every other day to release pressure and prevent the container from cracking.
Yes. Move the fresh portion to room temperature anytime to begin fermentation, or move the fermenting portion to the refrigerator to slow or halt sourness development.
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