Curing Fresh Olives at Home
Curing olives is a game of patience that transforms raw, bitter fruit into a brine-soaked snack. You must break the skin of the olive to allow the bitter compounds to leach out into water or salt, changing the water daily until the harshness fades before storing them in a final salt brine.
Commit to the calendar
Raw olives are physically impossible to eat due to oleuropein, a compound so bitter it ruins the tongue; you cannot skip the leaching phase.
- Heavy mallet or meat tenderizer
- Glass jars with tight lids
- Large plastic or glass bowl
What goes in.
- 5 lbfresh, firm raw olives
- as neededcoarse sea salt
- as neededcool water
- optionalfennel stalks, lemon slices, or garlic cloves
Breaking the skin
The bitterness is trapped in the flesh. By bruising the olive with a gentle tap, you create an opening for the water to circulate, cutting the curing time from months to weeks.
The method.
Prepare the fruit
Sort through the olives, discarding any that are soft, shriveled, or showing signs of rot. Wash them thoroughly in cold water.
Crack the olives
Place an olive on a clean towel. Give it one solid tap with a mallet just until the flesh splits. Do not pulverize the pit.
Begin the soak
Submerge the cracked olives in a bowl of cold water. Change this water every single day for at least 14 days. Taste one after two weeks; if the bitterness remains, continue for another week.
The final brine
Dissolve 1/2 cup of sea salt for every 4 cups of water. Pack the olives into jars with your aromatics, pour the brine over them, and add a thin layer of olive oil to the top to seal out the air.
Final cure
Seal the jars and store in a cool, dark place for two weeks before opening.
When it doesn't go to plan.
Always use a wooden or plastic mallet to avoid staining your counter or damaging the olives.
If you want to keep the olives firm, do not over-crack them; a single hairline fracture is enough.
Keep the olives fully submerged in the final brine to prevent mold growth.
The ones that keep coming up.
How do I know if they are finished?
The olive will lose its bright green color, turning a muted olive or dark shade, and the taste will be salty with no sharp, stinging bitterness.
Can I use table salt?
Avoid iodized table salt, as the additives can cloud the brine or turn the olives dark. Stick to coarse sea salt or kosher salt.
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