Quick dongchimi with apple broth

Radish kimchi made for its broth

Dongchimi (동치미) is a Korean water kimchi traditionally made with radish and a lightly seasoned liquid.

It is particularly associated with late autumn and winter, when Korean radishes are firm, sweet and suitable for preservation.

Unlike heavily seasoned red cabbage kimchi, dongchimi is valued for its crisp radish and refreshing broth.

The recipe here is a modern quick-fermenting variation that deliberately produces a large quantity of liquid.

Its Korean name is 빠른 동치미, meaning quick dongchimi.

The formula was developed by Maangchi for Maangchi's Real Korean Cooking, with the objective of producing plenty of broth and relatively little solid radish.

That is a meaningful distinction from some traditional whole-radish preparations, where the proportion of vegetables is much higher.

The broth is made by cooking apples and onion in water, straining away the solids and combining the liquid with salted radish.

Garlic, ginger, green chilies and gochugaru are held in a cloth pouch.

The result is a cleanly flavored water kimchi with natural apple sweetness and a relatively delicate orange-tinted broth.

Its principal purpose is not simply to preserve radish. The liquid is intended for drinking with meals or using as the base of cold Korean noodle soup.

Botanical identity and Korean terminology

Korean radish, mu (무), is a cultivated form of Raphanus sativus.

Compared with many long white daikon varieties, Korean radishes are often shorter, broader and relatively dense, though cultivars vary.

The recipe permits either Korean radish or white radish.

The apple is Malus domestica.

Its variety matters because sweetness, acidity and aroma differ between cultivars.

The source specifies sweet apples but does not require a particular named variety.

Onion is Allium cepa; garlic is Allium sativum; ginger is Zingiber officinale.

Gochugaru, or 고춧가루, is Korean dried red-pepper flake, generally produced from cultivated Capsicum annuum.

Dongchimi literally belongs to the Korean kimchi family but is distinct from baechu-kimchi, the familiar napa-cabbage preparation.

The word mulkimchi (물김치) describes water kimchi more generally.

Dongchimi is a named type within that larger category.

History and seasonal context

Dongchimi is associated with Korean winter food preservation.

Radishes harvested in cooler weather can have a pleasing sweet flavor and firm texture.

Traditional recipes vary in the size of the radishes, the amount of added liquid and the use of aromatic ingredients.

Some preparations preserve small whole radishes, while others use pieces.

The precise historical origin of dongchimi is not established by the modern recipe source.

Its association with winter kimchi traditions is well supported, but there is no basis for assigning the exact apple-broth formulation to a particular historical century.

The specific quick recipe was published online in 2020, with an update in 2021.

It is explicitly a modern cookbook development.

That modern status does not make it an inauthentic Korean food. It means the recipe's history should be described accurately as an adaptation within an older tradition.

The use of apples allows a mildly sweet broth without relying entirely on added refined sugar.

The source also emphasizes the recipe's suitability for cold noodle dishes.

Why the apples are cooked

Apples contain sugars, organic acids, pectin and aromatic compounds.

Cooking them in water extracts some of these substances.

Blending first increases the surface area and exposes more fruit tissue to the water.

The apples are not simply sliced and left in the fermenting jar.

They are cooked with onion, strained and discarded as solids.

This creates a comparatively smooth broth without large apple pieces.

The process contributes sweetness and flavor but does not make the broth sterile once raw radish and seasonings are introduced.

Cooking also changes pectin and other plant components, while some delicate volatile aromas may be reduced.

The purpose is a flavored extraction rather than a fresh apple salad incorporated into kimchi.

Why the seasoning is wrapped

Garlic, ginger, green chilies and gochugaru are placed into a cloth pouch.

This allows flavor and some soluble or suspended material to enter the liquid while preventing the finished broth from being filled with chopped aromatics.

The pouch is squeezed after immersion.

The liquid gradually takes on color from the chili flakes.

The result is cleaner in appearance than a preparation where all the pepper and minced vegetables circulate freely.

The cloth must be suitable for food contact and clean.

The pouch does not sterilize its contents or prevent microbial activity.

Equipment

Use a one-gallon glass jar or suitable food-grade container, a large pot, food processor, strainer and clean cotton cloth or double-folded cheesecloth.

A large bowl is required for salting the radish.

The container should safely accommodate fermentation gas.

A suitable pH meter is useful when acidification is being monitored.

The source does not specify a numerical fermentation temperature.

Method

Prepare the radish. Peel 2 lb radish.

Cut into thin discs. The source does not specify an exact disc thickness.

Salt the radish. Mix the discs with 3 tablespoons kosher salt.

Place them in the one-gallon fermentation vessel.

Leave for at least 2 hours. The radish will release some liquid as salt affects the plant tissues.

Heat the broth water. Bring 14 cups water to a boil over medium-high heat in a large pot.

The separate ¼ cup water is listed in the original ingredient quantity, but the published instructions do not clearly allocate it to a distinct numbered stage.

Prepare the apple-onion purée. Core and chop 1–1½ lb sweet apples and 1 large onion.

Process them into a purée. Add the optional 1 teaspoon flour if using it.

Cook the broth. Transfer the purée into the boiling water.

Cover and simmer for 20 minutes. Remove from the heat.

Cool thoroughly. Allow the broth to cool.

This matters because hot broth would alter the raw radish texture and could reduce desirable microorganisms on the later ingredients.

Strain. Line a large strainer with clean cotton cloth or doubled cheesecloth.

Pour in the apple-onion mixture. Gather the cloth and squeeze to extract as much liquid as practical.

Discard the remaining pulp. Salt the broth.

Stir the remaining 3 tablespoons kosher salt into the strained liquid.

The total salt addition for the complete recipe is now 6 tablespoons.

Prepare the seasoning pouch. Mince 2 green chilies, 4 garlic cloves and 1 tablespoon peeled ginger.

Combine with 2 tablespoons gochugaru inside a clean cloth pouch.

Combine. Pour the cooled broth over the salted radish.

Immerse the seasoning pouch. Squeeze it gently in the liquid until the broth becomes orange-tinted and flavored by the aromatics.

Ferment. Leave the container at room temperature for 2–3 days, using a closure suitable for active fermentation.

The source gives no numerical temperature or validated final pH.

Appropriate acidity monitoring is necessary when the process is relied upon for preservation.

Refrigerate and serve. When adequately fermented, refrigerate.

Serve cold with radish pieces and broth.

The liquid is also intended for cold kimchi noodle soup.

What happens during fermentation?

The raw radish introduces naturally occurring microorganisms.

Lactic acid bacteria are important participants in kimchi fermentation.

They use available carbohydrates and produce organic acids.

As acidity increases, the broth develops its characteristic sourness.

The apple broth contributes soluble sugars, which can influence microbial activity.

The radish itself also contains carbohydrates.

Some kimchi-associated microorganisms are heterofermentative and can generate carbon dioxide alongside organic acids.

This can produce slight effervescence.

The fermentation does not need to produce a strongly sparkling beverage to be successful.

The balance of sourness, sweetness and aroma changes with temperature and time.

A warm environment can accelerate microbial activity, but it can also alter flavor and create additional safety concerns if uncontrolled.

The original recipe's two-to-three-day schedule is therefore descriptive rather than a universal guarantee.

Why the radish remains crisp

The radish is salted but not cooked.

Its cell walls retain much of the structure responsible for crunch.

The cold serving temperature further emphasizes its crisp texture.

Extended fermentation can gradually soften vegetable tissue as acidity and enzymatic activity change the cellular structure.

The desired balance is a crisp radish with enough acidity to give the broth a refreshing sourness.

The source does not define a numerical texture endpoint.

A radish that has become extremely soft or slimy is not the intended product.

How this differs from traditional dongchimi

Traditional dongchimi may use smaller whole radishes or larger vegetable portions.

It is often associated with winter preparation and comparatively pale, refreshing liquid.

The quick apple-broth version deliberately changes the proportion between radish and broth.

It also uses cooked apple and onion extraction to establish sweetness and flavor before fermentation.

This is not a minor seasoning substitution.

The broth-production method is central to the recipe's identity.

Both versions belong to the dongchimi family, but the modern adaptation has a different production objective.

Eating and serving

Dongchimi is usually served cold.

It works particularly well with meals containing rich or strongly seasoned foods.

Examples include bulgogi, japchae and fish dishes.

It can also accompany steamed sweet potatoes, where the sour broth contrasts with the vegetable's sweetness and dry texture.

The liquid is especially useful for cold noodle soup.

Radish discs can be cut into smaller pieces or matchsticks before serving.

The original recipe describes serving both radish and broth rather than treating the liquid as waste.

This makes the process different from fermenting vegetables primarily to drain and cook them later.

Recognizing problems

Successful dongchimi develops a pleasantly sour broth and retains recognizable radish texture.

Some cloudiness may occur.

The color may vary according to the pepper flakes and apples used.

A change in apple variety can influence the final broth's color, as well as its sweetness.

Bubbles and sour aroma are possible indicators of activity, not proofs of safety.

Unexpected mold, putrefaction, excessive slime or signs of contamination indicate a problem.

The source does not provide a validated final pH for this exact recipe.

Safety and storage

The original publication recommends keeping the finished dongchimi refrigerated and using it over approximately 2–3 weeks.

That is a culinary recommendation, not an independently validated commercial shelf-life limit.

The fermentation schedule does not identify a precise room temperature.

For modern production, the acidity and microbiological stability should be measured.

Clean water, suitable equipment and safe pressure management are important.

Do not regard the cooked apple broth as sufficient to sterilize the finished product, since the radish and seasoning pouch are introduced afterward.