Name: Radish Kimchi (Kkakdugi) Recipe
Prep time: 15 min
Cook time: 40 min
Total time: PT-496608H13M11S
Cuisine: Korean
Ingredients: 3 pounds Korean radish (peeled and cut into 1 inch cubes); 3 tablespoons Kosher salt; 1 tablespoon granulated sugar; ½ cup water; 1 tablespoon rice flour (regular or glutinous); 10 cloves garlic (peeled, about 1.5 oz); 1 inch ginger (peeled and cut into smaller pieces); ¼ large yellow onion (peeled and cut into smaller pieces); ¼ large apple (discard core and cut into smaller pieces; alternatives include Asian pear or white-fleshed apple); 2 tablespoons fish sauce (or saeujeot – tiny brined shrimps); ½ cup gochugaru (coarse Korean red pepper flakes); 1 ounce carrots (peeled and julienned); 1 ounce Asian chives (cut into 1 inch pieces, discard tough stem ends)

Jump to Recipe· 4.3 from 66 reviews

If you are ready to take your taste buds on an exciting journey, this Radish Kimchi (Kkakdugi) Recipe is an absolute must-try. Radish Kimchi, or Kkakdugi, is a vibrant, crunchy Korean side dish bursting with bold flavors that beautifully balance spiciness, tanginess, and the subtle sweetness of fresh radish. This recipe captures the authentic essence of homemade Radish Kimchi, transforming simple ingredients into a lively and colorful condiment that brightens any meal. It’s incredibly rewarding to make from scratch and even better to share with friends and family.

Ingredients You’ll Need

A black frying pan holds a thick, creamy white mixture being spread smoothly with a gray spatula resting inside the pan. The pan sits on a white marbled surface, and the creamy mixture covers most of the pan’s base, showing some areas where the dark pan peeks through. Photo taken with an iphone --ar 4:5 --v 7

The foundation of this Radish Kimchi (Kkakdugi) Recipe is a handful of honest, everyday ingredients — nothing fancy, but each one plays a crucial role in delivering that vibrant taste and delightful crunch.

Korean radish (3 pounds, peeled and cut into 1-inch cubes): The star of the dish, providing crisp texture and mild sweetness perfect for fermentation.

Kosher salt (3 tablespoons): Essential for drawing out moisture and kickstarting the pickling process.
Granulated sugar (1 tablespoon): Balances the saltiness with a subtle sweetness.
Water (½ cup): Used to make the rice flour paste, adding body and smoothness to the marinade.

Rice flour (1 tablespoon, regular or glutinous): Thickens the marinade into a luscious paste that helps flavors meld.
Garlic (10 cloves, peeled): Provides pungent warmth and depth of flavor.
Ginger (1 inch, peeled and cut): Adds a lovely zesty aroma and slight heat.

Yellow onion (¼ large, peeled and cut): Gives a natural sweetness and complexity.
Apple (¼ large, peeled, cored, and cut): Injects crisp sweetness; perfect balance for the spicy kick.
Fish sauce (2 tablespoons): Brings umami richness; saeujeot (tiny brined shrimps) can be used as an alternative for a traditional twist.

Gochugaru (½ cup, coarse Korean red pepper flakes): Delivers that signature vibrant red color and spicy punch.
Carrots (1 ounce, peeled and julienned): Adds a pop of color and mild sweetness.
Asian chives (1 ounce, cut into 1 inch pieces): Adds fresh onion flavor and a delicate crunch, with the tough stem trimmed off for texture.

How to Make Radish Kimchi (Kkakdugi) Recipe

A clear glass bowl filled with small white cubed pieces forming the base layer. On top of this, there are three separate piles: a large mound of bright red powdered spice covering part of the cubes in the front center, to the top left is a thick light yellow paste with a coarse texture, and next to it on the right is a small amount of smooth white paste. The bowl is placed on a surface with white marble texture photo taken with an iphone --ar 4:5 --v 7

Step 1: Salt the Radish

Start by preparing the radish—after washing, peeling, and cutting into uniform 1-inch cubes, toss them with kosher salt and sugar in a large bowl. This salting step draws out moisture so the radish softens just enough and absorbs flavors better. Set it aside for 45 minutes to an hour, mixing halfway through to ensure even salting. The goal is a nicely seasoned radish that still retains a touch of its natural sweetness.

Step 2: Taste for Perfect Saltiness

After the salting stage, you’ll notice liquid pooling at the bottom. Taste a radish cube—it should have a faint sweetness but be just slightly saltier than usual. If it’s not quite there, mix again and wait another 15 to 30 minutes. This patience makes a huge difference in giving you the perfect texture and seasoning for your Radish Kimchi (Kkakdugi) Recipe.

Step 3: Prepare the Rice Flour Paste

While the radish is salting, whisk together rice flour and water to create a smooth slurry. Cook it over medium heat, stirring frequently until it thickens into a translucent paste. This sticky paste is crucial—it helps the kimchi’s marinade bind to the radish cubes, creating that wonderfully sticky, flavorful coating everyone loves.

Step 4: Blend the Marinade

Next, blend the apple, yellow onion, garlic, ginger, and fish sauce until smooth. This blend is the flavor powerhouse of the Radish Kimchi (Kkakdugi) Recipe, infusing sweetness, aromatic sharpness, and oceanic umami into the mix.

Step 5: Combine and Season

Drain the salted radish to remove excess liquid before adding the cooled rice flour paste, the blended marinade, and gochugaru flakes. Now toss in the julienned carrots and Asian chives if you like extra texture and color. Mix everything thoroughly so those radish cubes are gloriously coated, ready to absorb all those layered flavors.

Step 6: Pack and Ferment

Transfer the kimchi into sterilized glass jars or BPA-free containers, packing it tightly but leaving about an inch of headspace for fermentation gases. Wipe the rim clean to avoid mold. You can enjoy your Radish Kimchi right away for a delightfully fresh and crunchy snack. Or set it on your kitchen counter for 24 to 48 hours to kick off fermentation. As it ferments, tartness increases, and you’ll see the characteristic liquids collect—this means your kimchi is evolving beautifully!

How to Serve Radish Kimchi (Kkakdugi) Recipe

Garnishes

A sprinkle of toasted sesame seeds or a few slices of fresh green onion on top can brighten up your Radish Kimchi. These simple garnishes add a little visual appeal and extra nutty aroma that complements the dish beautifully.

Side Dishes

This kimchi loves good company! Serve it alongside steaming bowls of white rice, Korean BBQ, bibimbap, or even a spicy stew. Its vibrant crunch and firey tang cut through rich, savory foods, balancing your meal perfectly.

Creative Ways to Present

Try using Radish Kimchi as a zesty topping for tacos or mix it into salads for a Korean twist. It also makes an incredible filling for wraps or sandwiches, injecting a crispy punch that awakens every bite. Trust me, you’ll want to experiment beyond the traditional plate!

Make Ahead and Storage

Storing Leftovers

Keep your Radish Kimchi (Kkakdugi) stored in airtight containers in the refrigerator. It holds up well for several weeks as the flavors deepen, so you’ll always have a tasty tangy treat on hand.

Freezing

While freezing is not typically recommended because it changes the texture of fermented radishes, you can freeze small portions if needed. Just be aware the crispness softens, making it better suited for cooked dishes after thawing.

Reheating

Usually, you eat Radish Kimchi cold or at room temperature, but if you want to add it to a hot dish, just stir it in near the end of cooking. This keeps the distinct crunch and bright acidity intact without losing its character to heat.

FAQs

Can I use a different radish if I can’t find Korean radish?

Yes, Daikon radish is a great substitute and commonly used in many kimchi recipes outside Korea. Just cut into similar 1-inch cubes to keep the texture consistent.

What if I don’t eat fish sauce or seafood?

You can omit the fish sauce or substitute it with soy sauce or a vegan fish sauce alternative to maintain the umami flavor without the seafood element.

How long does Radish Kimchi (Kkakdugi) normally take to ferment?

It typically starts turning tangy after about one week at room temperature, but tastes improve even further after two to three weeks in the fridge. Longer fermentation means stronger, more complex flavors.

Is it safe to eat kimchi without fermenting?

Absolutely! Freshly made Radish Kimchi is delicious, crunchy, and has brighter, less sour flavors. It’s all about personal preference and how you enjoy your kimchi best.

How spicy is Radish Kimchi (Kkakdugi)?

The heat level depends on the amount and type of gochugaru you add. This recipe uses moderately spicy Korean red pepper flakes, but you can adjust to your preferred spice level to make it milder or hotter.

Final Thoughts

I hope you feel inspired and excited to try this Radish Kimchi (Kkakdugi) Recipe at home. It’s a wonderful way to dive into Korean flavors while making magic with simple ingredients. Once you taste your own homemade Kkakdugi, you’ll understand why it’s a beloved classic across generations. So grab a big bowl, roll up your sleeves, and enjoy the rewarding process of creating this crunchy, spicy, and tangy delight!