Fermented cucumbers are one of the simplest ways to preserve the harvest, especially when you only have a few at a time. No vinegar, no canner, no heating up the kitchen. Just salt, water, spices, and time.
This method creates true lacto-fermented pickles: tangy, crisp, and full of fresh flavor. They’re perfect for small batches, whether you’re picking a handful from the garden each day or working through a larger harvest.
Once you understand the basic brine, you can customize the flavor however you like. Keep them classic and dilly, make them spicy, or experiment with warm “bread and butter” style spices.
See the instagram reel tutorial here!
Ingredients
- Pickling cucumbers (4-5 per pint)
- Pickling spices: garlic, mustard seed, dill seed or heads, peppercorns, and chili flakes (see variations below!)
- 1 oak leaf or grape leaf (optional- tannins help keep them crunchy)
- Brine (4–5%): 2 tsp (11 grams) fine non-iodized salt per 1 cup (240 grams) filtered water (Scale up as needed- be sure the salt dissolves completely)
Instructions
- Prep the cucumbers
Wash well and slice into spears, rounds, or halves. Trim off the blossom end for the best texture. - Pack the jar
Place cucumbers into a clean jar along with your garlic, spices, and an oak or grape leaf (if using). - Make the brine
Dissolve 2 teaspoons (11 g) fine non-iodized salt per 1 cup (240 g) filtered water. Stir until fully dissolved. - Add brine
Pour over the cucumbers until fully submerged. - Weigh down
Add a fermentation weight to keep everything below the brine. - Ferment
Cover with an airlock lid, or use a regular lid loosened slightly to allow gases to escape. Ferment at room temperature for 5–7 days, tasting around day 4. Warmer temperatures will speed things up. - Refrigerate
Once they taste right to you, seal with a regular lid and move to the refrigerator.
Flavor Variations
Classic Garlic Dill
Garlic, dill seed or fresh dill heads, mustard seed, and black peppercorns.
Spicy
Add extra garlic, chili flakes, peppercorns, and sliced jalapeño. A small piece of horseradish or fresh ginger adds even more kick.
Bread & Butter-Inspired
Use mustard seed, celery seed, turmeric, thin onion slices, and a few allspice berries. For a subtle sweetness without sugar, you can add a thin apple slice or a pinch of stevia or monk fruit.
Storage & Tips
Store fermented cucumbers in the refrigerator once fermentation is complete. They will keep for several months and continue to develop flavor over time.
For the best texture, always keep cucumbers fully submerged during fermentation. Using an oak or grape leaf can help maintain crispness thanks to their natural tannins, but trimming the blossom end and using fresh cucumbers are just as important.

