How To Cure Olives

Fresh olives straight from the tree are extremely bitter and inedible, but with the right curing process, you can transform them into the tasty snack we know and love. Curing olives draws out their bitterness and helps preserve them for longer use. There are several methods, including brine curing, dry salt curing, and lye curing, each giving slightly different flavors and textures. Here’s a clear guide on how to cure olives at home.
- Gather Fresh Olives
First, pick or buy fresh, unbruised olives.
- Green olives are picked before ripening and are firmer, while black olives are fully ripe and softer.
- Wash them thoroughly in cold water to remove dirt and any debris.
- Choose Your Curing Method
There are several ways to cure olives, depending on the flavor and texture you want:
- Brine curing (soaking in salty water) gives a mild, salty flavor and is widely used.
- Dry salt curing (packing in salt) creates wrinkled, intensely flavored olives.
- Water curing (soaking in fresh water, changing daily) is simple but takes longer.
- Lye curing is faster but requires careful handling, as lye is caustic.
For most home setups, brine or dry salt curing is the easiest and safest.
- Prepare the Olives
For brine or water curing:
- Use a knife or small hammer to gently crack or slit each olive. This helps the curing liquid penetrate.
For dry salt curing: - Leave the olives whole, as the salt will draw out the bitterness over time.
- Set Up the Curing Process
Brine cure method:
- Make a brine solution by dissolving about 100 grams of salt per liter of water.
- Place the cracked olives in a clean jar or crock and cover them with the brine.
- Weigh the olives down with a plate or plastic bag filled with brine to keep them submerged.
- Store in a cool, dark place, and change the brine every week or two. This process can take 4–6 weeks or longer, depending on the olive type.
Dry salt cure method:
- Layer the whole olives with coarse salt in a container.
- Shake the container every few days to redistribute the salt.
- After 4–6 weeks, the olives will shrink and wrinkle, and the bitterness will fade. Rinse off excess salt before storing.
- Taste Test
Throughout the curing process, taste an olive every week or so.
- If it’s still too bitter, continue curing.
- Once the bitterness has reduced to your liking, move to the next step.
- Store and Flavor the Olives
After curing, rinse the olives if needed.
- Store them in fresh brine or olive oil.
- You can add herbs, garlic, chili, or lemon slices for extra flavor.
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