Traditional German Sauerkraut: Why Day 7 Changes Everything (German Sauerkraut Recipe)
You shred cabbage, pack a jar, and wait. As of September 2025, there is a clear moment when your sauerkraut stops being salty cabbage and starts generating the bioactive chemistry people want from cruciferous vegetables. Around day 7, spontaneous fermentation reliably shifts, antioxidant activity jumps, and the cabbage’s own plant compounds begin transforming into metabolites …












