Easy Preserved Lemons - Lacto-Fermented Lemons - Preserved Citrus

Easy Preserved Lemons - Lacto-Fermented Lemons - Preserved Citrus is a medium Mediterranean recipe that serves 6. 5 calories per serving. Recipe by Mary's Nest on YouTube.

Prep: 30 min | Cook: 720 hrs | Total: 720 hrs 45 min

Cost: $21.99 total, $3.66 per serving

Ingredients

  • 6 Lemons (organic if possible; washed and dried)
  • 6 Limes (organic if possible; washed and dried)
  • 6 Mandarin Oranges (seedless if possible; washed and dried)
  • 1 cup Kosher Salt (fine‑ground sea salt or kosher salt, no anti‑caking agents)
  • 2 Bay Leaf (dried, for lemon batch)
  • 2 sprigs Fresh Thyme (optional, for lemon batch)
  • 2 Cinnamon Sticks (for mandarin orange batch)
  • 1 tsp Allspice Berries (for mandarin orange batch)
  • 4 Cloves (whole, for mandarin orange batch)
  • 1 Star Anise (optional, for lemon batch if desired)
  • 1 tbsp Baking Soda (for cleaning citrus)
  • 1 tbsp White Vinegar (for cleaning citrus)

Instructions

  1. Clean the Citrus

    Mix 1 tbsp baking soda with 1 tbsp white vinegar in a bowl, add the lemons, limes, and mandarins, and scrub until frothy. Rinse thoroughly under running water and pat dry.

    Time: PT10M

  2. Trim and Slice

    Trim the stem and blossom ends off each fruit. Slice each fruit about three‑quarters of the way down, then rotate 90° and make a second slice, creating a petal‑like opening without separating the halves.

    Time: PT10M

  3. Prepare Salt and Herbs

    Place a couple of teaspoons of kosher salt at the bottom of the jar. Add bay leaves, thyme sprigs, cinnamon sticks, allspice berries, cloves, and star anise as desired for each citrus batch.

    Time: PT5M

  4. Pack the Citrus

    Place the sliced lemons first, pressing them down with clean hands or a pestle. Sprinkle salt into every crevice, then add the next fruit, repeating until the jar is full. Pack tightly so the fruit releases its juices.

    Time: PT10M

  5. Add Final Salt and Weigh Down

    Sprinkle a final layer of salt on top. If any fruit is exposed, place a pickling weight or a small 4‑oz glass jar to keep everything submerged.

    Time: PT5M

  6. Seal and Ferment

    Close the jar with its lid and ring (or a storage lid). Store the jar in a warm, dark spot at 70‑80°F (21‑27°C) for 30 days, checking daily for liquid level and occasional bubbling.

    Time: PT720H

    Temperature: 70-80°F

  7. Rinse and Store

    After 30 days, open the jar, rinse each piece under cold water to remove excess salt, and transfer to a clean container with a fresh lid. Refrigerate and use within 6 months.

    Time: PT5M

Nutrition Facts

Calories
5
Protein
0g
Carbohydrates
1g
Fat
0g
Fiber
0g

Dietary info: Vegan, Gluten‑Free, Dairy‑Free, Paleo, Keto‑Friendly

Last updated: April 17, 2026

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Easy Preserved Lemons - Lacto-Fermented Lemons - Preserved Citrus

Recipe by Mary's Nest

A step‑by‑step guide to making lacto‑fermented preserved lemons, limes, and mandarin oranges using kosher salt and optional herbs/spices. These soft, salty citrus pieces are perfect for Moroccan tagines, Mexican fish dishes, holiday desserts, and more.

MediumMediterraneanServes 6

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
720h 45m
Prep
0m
Cook
86h 29m
Cleanup
807h 14m
Total

Cost Breakdown

$21.99
Total cost
$3.66
Per serving

Critical Success Points

  • Cleaning the citrus thoroughly
  • Making the 3/4‑way slices without separating the fruit
  • Packing the fruit tightly and ensuring it releases its own juice
  • Keeping all fruit submerged under brine during fermentation

Safety Warnings

  • Use only clean, sterilized glass jars to avoid contamination.
  • Do not use table salt with anti‑caking agents; it can inhibit fermentation.
  • If you see white mold (kahm) or off‑colors, discard the batch.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of preserved lemons in Moroccan cuisine?

A

Preserved lemons, or "lemon confit," have been used for centuries in Morocco to add bright, salty citrus flavor to tagines, salads, and stews. The fermentation process softens the rind, making the intense lemon oil accessible and preserving the fruit through the hot summer months.

cultural
Q

What are the traditional regional variations of preserved lemons in North African cuisine?

A

In coastal Morocco, preserved lemons are often packed with bay leaves and thyme, while in Algeria they may include coriander seeds. Some Tunisian versions add a pinch of cumin or chili flakes for extra heat.

cultural
Q

How are preserved limes traditionally used in Mexican cooking?

A

Preserved limes, known as "limones en salmuera," are common in Mexican fish dishes, ceviche, and salsas. The salty, tangy lime adds depth without the sharp acidity of fresh lime juice.

cultural
Q

What occasions are preserved mandarin oranges traditionally associated with in holiday celebrations?

A

Preserved mandarin oranges, spiced with cinnamon, cloves, and allspice, are popular in Middle Eastern and Mediterranean holiday desserts, such as Christmas cakes and New Year pastries, where their fragrant sweetness complements rich baked goods.

cultural
Q

What makes preserved citrus special in Mediterranean cuisine?

A

The lacto‑fermentation creates a unique combination of salty, sweet, and umami flavors while softening the rind. This makes the citrus versatile for both savory tagines and sweet pastries, a hallmark of Mediterranean culinary creativity.

cultural
Q

What are the most common mistakes to avoid when making preserved lemons, limes, or mandarins?

A

Common errors include using table salt with anti‑caking agents, not packing the fruit tightly enough, and failing to keep the fruit fully submerged. Each mistake can lead to insufficient fermentation or mold growth.

technical
Q

Why does this preserved citrus recipe use kosher or sea salt instead of regular table salt?

A

Kosher and fine sea salts contain no anti‑caking agents or iodine, which can inhibit the natural lacto‑fermentation process. Pure salt allows the beneficial bacteria to thrive and creates a safe, low‑pH brine.

technical
Q

Can I make preserved citrus ahead of time and how should I store it?

A

Yes. After the 30‑day fermentation, rinse the fruit and store it in the refrigerator in a sealed jar. It will keep for up to six months, and the brine can be saved for future batches or for seasoning soups and grains.

technical
Q

What texture and appearance should I look for when my preserved lemons are ready?

A

The rind should be soft, almost jelly‑like, and the fruit should be pliable. The color may darken slightly, and the brine will be clear to slightly cloudy but free of mold.

technical
Q

How do I know when my preserved citrus is done fermenting?

A

After 30 days, the fruit will be tender, the salt will have fully dissolved, and you’ll notice a pleasant, fragrant aroma. If the fruit is still firm or the brine is thin, give it another week.

technical
Q

What does the YouTube channel Mary's Nest specialize in?

A

The YouTube channel Mary's Nest focuses on traditional, nutrient‑dense cooking techniques such as bone broth, sourdough, lacto‑fermentation, and other wholesome food preparations for health‑focused home cooks.

channel
Q

How does the YouTube channel Mary's Nest's approach to fermentation differ from other cooking channels?

A

Mary's Nest emphasizes scientific explanations, clean‑label ingredients, and step‑by‑step safety tips, offering deeper insight into the microbiology of fermentation compared to many channels that only show quick demos.

channel

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