Half-sour pickles are the classic New York deli style — still bright green, still crisp, with just a light tang instead of the deep sour of a fully fermented pickle. The trick is a shorter ferment and a lighter brine, then stopping fermentation early with refrigeration.

Ingredients

• 1 lb small pickling cucumbers
• 2-3 garlic cloves, peeled
• A few sprigs of fresh dill
• Water + fine sea salt (2% brine — lighter than our usual 3% ratio)

Step-by-Step

1. Pack whole small cucumbers into a jar with the garlic and dill.
2. Mix a lighter 2% brine (20g salt per liter of water) and pour over until fully submerged.
3. Cover and ferment at room temperature for just 2-4 days — much shorter than a fully sour pickle.
4. Taste on day 2 — once they have a light tang but still taste mostly fresh, refrigerate right away.
5. Refrigeration slows fermentation dramatically, keeping them “half” sour instead of continuing to a full sour.

Half-Sour vs. Full-Sour: The Difference

• Half-sour: 2-4 days, lighter brine, bright green color, light tang, very crisp.
• Full-sour: 1-2 weeks or more, stronger brine, color dulls slightly, deep tang — see our classic fermented pickles recipe.

FAQ

Why do half-sours stay bright green?

The short fermentation time simply doesn’t give the color as much time to dull the way a longer ferment does — it’s purely a function of time, not a different process.

Do half-sours keep as long as regular fermented pickles?

They keep well refrigerated, though many people find they taste best within the first few weeks since they were made with a lighter, less preserving brine.

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Related: Fermented Pickles Recipe · Fermented Green Beans