Curing Fresh Olives at Home
Raw olives straight from the tree are shockingly bitter. Whether you choose a water-cure for a mild flavor or a salt-cure for a shriveled, concentrated profile, the process requires nothing more than consistency and time.
Raw ingredients dictate the timeline
Always select unblemished fruit and wear gloves when handling raw olives, as the juices can stain skin and clothing. The longer the cure, the milder the final result.
- glass jars with tight-fitting lids
- non-reactive weights (glass pebbles or heavy lids)
- sharp paring knife
What goes in.
- 5 lbfresh raw olives, green or black
- as neededsea salt, non-iodized
- as neededfiltered water
- optionalfennel seeds, lemon peel, or chili flakes for finishing
Maintaining Concentration
Use a 10% brine solution—100 grams of salt per liter of water—to prevent spoilage while allowing the bitterness to leach out effectively.
The method.
Prepare the fruit
Wash the olives thoroughly. Use a paring knife to slit the flesh of each olive once or twice, or crack them lightly with a wooden mallet to speed up the curing process.
Begin the soak
Place the prepared olives in a glass jar and cover completely with cold, filtered water. Change the water daily for two weeks until the bitterness has noticeably subsided.
Introduce the brine
Drain the water and fill the jars with the 10% salt brine. Ensure the olives remain submerged beneath the liquid at all times using a weight.
Wait and sample
Store in a cool, dark place for at least three months. Taste one after 90 days; if the sharpness is still too aggressive, return it to the brine for another month.
Finish
Once cured to your preference, rinse the olives and store them in fresh olive oil with herbs and citrus zest for serving.
Other turns to take.
Salt-Cured (Dry)
Layer olives in a bin with generous amounts of coarse sea salt. Shake the container every few days; the salt draws out moisture and bitterness, resulting in a wrinkled, intense olive.
When it doesn't go to plan.
Use non-iodized salt, as iodine can discolor the olives and leave a metallic aftertaste.
If you see a thin layer of white yeast on the surface of the brine, simply skim it off; it is common and usually harmless.
When you finally taste the olives, ensure your hands are clean to avoid introducing bacteria to the long-term storage jar.
The ones that keep coming up.
How do I know if the olives have spoiled?
If the olives become mushy, develop a foul odor, or show dark, fuzzy mold, discard the entire batch immediately.
Can I use tap water?
It is best to use filtered or spring water. Chlorine in tap water can interfere with the curing process and impart unwanted flavors.
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