What Is Kimchi?

Last updated on May 26, 2026
Kevin Singhel

Kimchi is a traditional Korean fermented vegetable dish, most commonly made with napa cabbage, radishes, garlic, chili, and salt. It is prized for its bold flavor and functional versatility. Kimchi offers a low-cost, high-impact way to add acidity, heat, and intensity to menus while aligning with growing demand for globally inspired and fermented foods. Its wide range of use allows operators to tailor applications across sandwiches, bowls, sides, and main course compositions. Understanding how kimchi is made, stored, and utilized equips foodservice teams to maintain consistency and confidently integrate it into profitable menu items.

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What Is Kimchi Made Of?

Kimchi is typically made from salted and fermented vegetables, most commonly napa cabbage or Korean radish, combined with a seasoned paste built on chili flakes (gochugaru), garlic, ginger, scallions, and salt. In many traditional and commercial formulations, fish sauce or fermented shrimp is added to deepen umami and accelerate fermentation complexity, though vegan versions rely on seaweed or soy-based substitutes.

The process begins with salting the vegetables to draw out moisture, followed by coating them in the seasoning mixture and packing them tightly to ferment under controlled, anaerobic conditions. The composition of kimchi is important because ingredient balance and fermentation time directly affect consistency, heat level, and acidity, all of which impact menu application and storage stability.

What Does Kimchi Taste Like?

Kimchi tastes bold and layered, combining sharp acidity, heat, and a fermented flavor. The balance of sourness, spice, and umami makes it a unique ingredient that can work with rich foods or add complexity to neutral bases like rice and grains. Portion control and placement are critical with kimchi, as even small amounts can shift the overall flavor profile of a dish. Understanding its dominant notes allows for more precise pairing with proteins, fats, and starches to avoid overwhelming the flavor of the final product.

What to Do with Kimchi

Kimchi pairs well with a wide range of dishes, particularly those that benefit from acidity, heat, and umami contrast. It is commonly used alongside grilled meats, rice bowls, noodles, sandwiches, and fried rice, where it can function as both a component and a finishing garnish. It’s often incorporated into fusion items like tacos, burgers, and grain bowls to differentiate menu offerings. Its utility allows operators to use it as a condiment, ingredient, or side, depending on portioning and presentation.

kimchi being used in a dish
  • Condiment Use: Served as a side or garnish, kimchi functions similarly to pickles or relishes, adding brightness and contrast to plated dishes. Small portions can sharpen flavor without requiring major menu changes.
  • Burger and Taco Toppings: Kimchi adds heat, crunch, and tang when used on burgers or tacos, cutting through fatty meats like beef or pork. Its bold profile helps create differentiated, fusion-style offerings that stand out on menus.
  • Noodles and Rice Dishes: Kimchi pairs naturally with starch-heavy bases like fried rice, ramen, and noodle bowls, where it contributes both seasoning and texture. Chopped kimchi can also be cooked directly into these dishes for more even flavor distribution.
  • Sandwiches: Layered into deli sandwiches, grilled cheese, or paninis, kimchi introduces acidity and umami that elevate classic sandwiches. Proper portioning is key to avoid overpowering other ingredients while still providing flavor.

Fresh vs Fermented Kimchi

Fresh kimchi is milder, crisper, and less sour, making it suitable for raw applications like toppings, sides, or cold dishes where brightness is preferred. Fully fermented kimchi develops stronger acidity, softer texture, and deeper umami, which performs better in cooked preparations such as stews, fried rice, and braised items.

How to Make Kimchi

Kimchi is made by salting vegetables, seasoning them with a chili-based paste, and allowing them to ferment under controlled conditions. While traditional methods rely on napa cabbage or radish, the process is highly adaptable for commercial kitchens scaling production or standardizing flavor. Consistency in prep, salt ratios, and fermentation time is vital for delivering a repeatable product across service.

kimchi being made on table
  1. Trim and Section the Vegetables: Napa cabbage is typically quartered or cut into bite-sized pieces to ensure even salting and seasoning distribution. Uniform cuts help maintain consistent texture across batches.
  2. Apply Salt: Coat the vegetables with salt and let them rest for several hours, softening the structure and creating the brine needed for fermentation. This step also inhibits undesirable microbial growth.
  3. Rinse and Drain: After salting, rinse off excess salt and allow the vegetables to drain completely to avoid an overly salty final product. Proper draining ensures the seasoning paste adheres effectively.
  4. Prepare the Seasoning Paste: Combine gochugaru (Korean chili flakes), garlic, ginger, and often fish sauce to build depth and heat. This mixture is typically standardized by weight for batch consistency.
  5. Coat and Mix: Massage or toss the vegetables with the paste until evenly coated, ensuring full contact for uniform fermentation. Gloves are recommended to maintain food safety and protect staff from chili oils.
  6. Pack Into Containers: Transfer the mixture into food-safe containers, pressing it down firmly so the vegetables are submerged in their own liquid. Limiting oxygen exposure promotes proper lactic acid fermentation.
  7. Types of Kimchi

    Kimchi comes in many regional and ingredient-based variations, differentiated by their primary vegetable, seasoning approach, and fermentation style. While all types rely on similar preservation methods, small differences in cut, spice level, and liquid content create distinct textures and uses. Selecting the right variety influences plating, flavor balance, and how the product integrates into specific menu formats.

    white watery kimchi
    • Baechu Kimchi (Napa Cabbage Kimchi): The most widely recognized style, made with napa cabbage and a chili seasoning paste. It delivers a balanced mix of spice, acidity, and umami, making it versatile for both standalone sides and cooked applications.
    • Baek Kimchi (White Kimchi): A non-spicy version of kimchi prepared without gochugaru, instead using garlic, ginger, and fruit for subtle sweetness. Its mild, clean profile works well in menus where heat needs to be minimized but strong fermented flavors are still desired.
    • Kkakdugi (Cubed Radish Kimchi): Made from diced Korean radish, this variety has a firm crunch and a sweeter bite. It holds texture well over time, making it a fantastic option for soups and stews.
    • Chonggak Kimchi (Ponytail Radish Kimchi): Uses whole young radishes with attached greens, offering a mix of crisp roots and leafy tops. The varied texture adds visual appeal and works effectively in composed dishes or as a plated accompaniment.
    • Nabak Kimchi (Water Kimchi): A lightly fermented, broth-based kimchi with thinly sliced vegetables in a tangy liquid. Its refreshing, less intense profile suits cold service and lighter menus.
    • Oi Sobagi (Stuffed Cucumber Kimchi): Fresh cucumbers are slit and filled with a seasoned mixture, resulting in a crisp, juicy bite with concentrated flavor inside. Due to the shorter fermentation window, they are best used for quick service applications where texture is a priority.

    Kimchi vs Sauerkraut

    Kimchi and sauerkraut are both lacto-fermented cabbage preparations, but they differ significantly in seasoning profile, fermentation inputs, and culinary application. Kimchi is built around chili, garlic, ginger, and often seafood-based umami ingredients, resulting in a spicy, savory, and complex heat, while sauerkraut relies primarily on cabbage, salt, and natural lactic acid bacteria, producing a clean, tangy, and more neutral sourness.

    Kimchi is typically deployed as a bold flavor component in bowls, sandwiches, rice dishes, and fusion applications, whereas sauerkraut is more commonly used as a tangy condiment for sausages, deli sandwiches, and European-inspired plates. Preparation also diverges in that kimchi is usually seasoned before fermentation with a spice paste, while sauerkraut ferments from salted cabbage with minimal added ingredients. For operators, understanding these differences is key to selecting the right fermented profile for either heat-driven or acid-forward menu balancing.

    Kimchi FAQ

    Below, we answer some of the most frequently asked questions revolving around kimchi:

    Does Kimchi Go Bad?

    kimchi storage containers

    Kimchi does go bad, but it typically spoils slowly due to its acidic, fermented environment. Properly stored kimchi will continue to ferment over time, becoming more sour rather than unsafe, though off-odors, mold, or a slimy texture indicate it should be discarded. Maintaining consistent refrigeration and using dated containers helps control flavor drift and ensure product quality. Most operations treat peak usability within a few weeks for balanced flavor, even though it may remain technically safe beyond that.

    Is Kimchi Good For You?

    Kimchi is generally considered good for you because it contains probiotics, vitamins, and fiber derived from fermented vegetables. The lactic acid bacteria formed during fermentation can support gut health, while ingredients like cabbage and radish provide vitamins A and C. However, its sodium content can be high, which is an important consideration for menu labeling and dietary transparency in foodservice. Offering controlled portions or lower-sodium variations can help operators balance health benefits with nutritional concerns.

    Why Does My Kimchi Taste Bitter and Salty?

    Kimchi can taste bitter and overly salty if the salting process is unbalanced or fermentation conditions are inconsistent. Excess salt that isn’t properly rinsed from the vegetables, or uneven distribution of seasoning paste, can lead to harsh flavors early in the fermentation cycle. Bitterness may also develop from over-fermentation or poor ingredient quality, such as aged cabbage or improper storage temperatures. Standardizing prep procedures and fermentation timelines is critical to maintaining a consistent flavor profile.

    What Is Kimjang?

    Kimjang is the traditional Korean practice of making large batches of kimchi for seasonal storage, typically prepared in late autumn. It involves coordinated production, often at a community or family level, to ensure a steady supply through the winter months. Understanding kimjang principles can help operators scale production efficiently while maintaining authentic flavor development.


    Kimchi continues to trend across menus as it delivers concentrated flavor and operational flexibility. Its value lies in how it can elevate dishes, adding acidity, heat, and depth without requiring complex preparation during service. Successful implementation depends on understanding fermentation, selecting the right variety for the use, and maintaining consistency through proper storage and handling. When used properly, kimchi is a reliable menu addition for building more dynamic, profitable offerings.

    Kevin Singhel
    Written by Kevin Singhel

    With almost a decade of content marketing experience, Kevin has learned the ins and outs of various business sectors. Over his four years as a Longform Content Writer with WebstaurantStore, Kevin has spent hours researching and writing about the intricacies of the foodservice industry. Specializing in marketing guides, technical writing, and structured how-to content, he enjoys providing readers with content that guides them in growing and running their bar or restaurant.

    Learn more about this author and WebstaurantStore's Content Writing Team here!

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