Lacto-Fermented Carrot Sticks with Garlic and Dill
Crunchy, tangy carrot sticks fermented in a simple saltwater brine with garlic and fresh dill. No vinegar, no canning, just salt, time, and a quart jar. Naturally probiotic and ready to snack on in about a week.
- Prep
- 30 min
- Cook
- —
- Wait
- 6 days
- Total
- 6 days
- Makes
- 1 quart (1 liter) jar, about 8 servings
Steps
Before you start
- Plan on 5 days of fermenting at room temperature (65–72°F / 18–22°C), then 1 day of chilling. Warmer rooms ferment faster, so check earlier.
- Use non-iodized salt (fine sea salt or pickling salt) and chlorine-free water. Iodine and chlorine can slow or stall fermentation. If your tap water is chlorinated, use filtered water or let tap water sit out uncovered for several hours.
- Wash the jar, lid, and weight in hot soapy water and rinse well. Sterilizing is not needed, but everything must be clean.
- Weigh the salt on a kitchen scale if you can. A 3.5% brine (21 g salt per 590 ml water) is the target, and volume measures for salt vary by brand.
Mix the brine
- Pour the 2½ cups (590 ml) water into a large measuring cup or pitcher.
- Add the 3½ tsp (21 g) sea salt and stir for 1–2 minutes until no grains remain on the bottom and the water looks completely clear.
- This makes a 3.5% brine.
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Ready when: No salt crystals are visible when you tilt the cup and look at the bottom.
Tip: Do not heat the brine. If you dissolve the salt in warm water, cool it fully before using, since heat can soften the carrots.
Clean the jar
- Wash the 1-quart jar, lid, and fermentation weight in hot soapy water and rinse thoroughly.
- Shake out excess water.
- Set the jar on a small plate or bowl, which will catch any brine that bubbles over later.
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Ready when: No soap film or residue remains.
Cut the carrots
- Scrub the carrots well (peel them if the skin is thick or bitter).
- Trim the tops and tips.
- Cut each carrot into sticks about ½ inch (1.25 cm) thick and about 4 inches (10 cm) long, or about 1 inch (2.5 cm) shorter than the height of the jar from base to the shoulder.
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Ready when: Sticks are fairly even in thickness and all sit below the jar's shoulder when stood upright.
Tip: Keep sticks the same thickness so they ferment and soften evenly. Cut very thick carrot tops in half lengthwise first.
Pack the jar
- Put the garlic, 2 dill sprigs, and the dill seed and peppercorns (if using) in the bottom of the jar.
- Stand the carrot sticks upright, packing them snugly so they won't float loose; wedge in the remaining 2 dill sprigs among the carrots.
- Leave about 1½ inches (4 cm) of headspace below the rim.
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Ready when: Carrots are tightly packed and do not shift when you gently shake the jar.
Tip: Tight packing keeps carrots submerged. Fill gaps with trimmed carrot pieces.
Add brine and weigh down
- Pour the brine over the carrots until everything is covered by at least 1 inch (2.5 cm) of liquid, leaving about 1 inch (2.5 cm) of headspace below the rim.
- Press the carrots down with a clean spoon to release air bubbles.
- Set the fermentation weight on top so every carrot stays fully under the brine.
- Screw the lid on loosely, finger-tight only.
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Ready when: No carrot or dill pokes above the brine surface.
Tip: Anything above the brine can grow mold. Keep everything submerged. Make extra 3.5% brine if you need to top up.
Start fermenting
- Place the jar on its plate away from direct sunlight at 65–72°F (18–22°C).
- Leave it for 3 days.
- The brine will turn cloudy and small bubbles will rise, which is normal.
- Once a day, loosen the lid briefly to release gas ('burp' it), check the carrots are still submerged, and press them down if needed.
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Ready when: Brine is cloudy with visible fine bubbles and smells pleasantly sour and garlicky.
Tip: A white film on the surface may be harmless kahm yeast, which you can skim off. Fuzzy, colored (blue, green, black, pink) mold means discard the batch.
Taste and decide
- On day 3, use a clean fork to remove one carrot stick and taste it.
- It should be tangy, slightly salty, and crisp.
- Replace the weight and lid.
- Leave the jar out another 2 days for a more sour flavor, or move it to the fridge now if you like it mild.
- Continue burping daily.
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Ready when: Carrots taste pleasantly tangy and sour, with a crisp bite and no off or rotten smell.
Tip: In a kitchen above 75°F (24°C), taste after 2 days, since fermentation moves much faster.
Chill and finish
- Remove the weight if you like, tighten the lid, and refrigerate the jar for at least 24 hours before serving.
- The cold slows fermentation and lets the flavors meld.
- Serve the carrot sticks straight from the jar.
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Ready when: Carrots are cold, crunchy, and tangy.
Tip: Keep the carrots under the brine in the fridge. Use a clean fork each time you take some out.
Good to know
Tips
- Keep the brine at 3.5% salt by weight. Below 2% risks spoilage and above 5% slows fermentation too much.
- Submerged is safe: any carrot sticking above the brine can mold, so always use a weight.
- For extra crunch, add a clean grape leaf or oak leaf (tannins help keep carrots firm), or use freshly harvested, cold, firm carrots.
- Tangy, slightly cloudy brine is normal. Slimy texture, rotten smell, or fuzzy colored mold means discard everything.
Make ahead
"Make the whole batch up to 2 months ahead. After the 24-hour chill, the sticks are ready to eat and keep improving in flavor for the first couple of weeks."
Storage & reheating
"Room temperature: only during the 5-day fermenting period. Refrigerator: keep submerged in brine in a tightly closed jar for up to 2 months; they stay crisp and get gradually more sour. Freezer: not recommended, as thawed carrots turn soft. No reheating needed. Serve cold."
Substitutions
- fine sea salt (non-iodized) → pickling salt or kosher salt (by weight). Use 21 g regardless of type. Kosher salt measures bulkier by volume, so don't use the teaspoon measure. Avoid iodized table salt.
- fresh dill sprigs → 1 tbsp dried dill weed or an extra 1 tsp dill seed. Flavor will be milder and less fresh; fresh dill is best.
- carrots → rainbow carrots. Purple carrots may tint the brine, but flavor and method are the same. Cut thick carrots to the same ½-inch thickness.
- whole black peppercorns → ¼ tsp red pepper flakes or 1 bay leaf. Adds mild heat or herbal depth.
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- Meal
- Snack
- Main ingredient
- Carrots
- Method
- No-Cook
- Quick & Easy
- 5 Ingredients or LessEasyMake Ahead


