Kimchi for Beginners: The Simple Way to Make Fermented Vegetables at Home

Kimchi is a Korean fermented vegetable dish that's become popular worldwide. While sauerkraut gets all the attention, kimchi brings something different to the table: garlicky, spicy, umami-rich flavors from a paste made with Korean chili flakes, garlic, ginger, and often a splash of fish sauce.

Making kimchi at home isn't harder than making sauerkraut, and the basic process is almost identical. The main difference is the seasoning paste.

What You Need

For a standard batch:

• 1 medium head of napa cabbage (about 2-3 pounds)
• 2 tablespoons coarse salt (kosher or pickling salt works well)
• 4 cups water (for brining)
• 1-2 cups kimchi paste (recipe below)

For the kimchi paste:

• 2-3 tablespoons gochugaru (Korean chili flakes) - this is the key ingredient
• 3-4 cloves garlic, minced
• 1 tablespoon fresh ginger, grated
• 1-2 tablespoons fish sauce or salted shrimp paste
• 1-2 teaspoons sugar
• 1-2 scallions, chopped
• Optional: 1-2 carrots, julienned for crunch

Understanding the Salt Ratio

This is where beginners often go wrong. You need enough salt to draw water out of the cabbage and create a brine, but not so much that it over-salts the final product.

The standard ratio: 2 tablespoons of salt per 4 cups of water for brining.

This creates a brine that's roughly 2% salt by weight, which is the same ratio used for sauerkraut. If you're using fine table salt, use slightly less since it's denser. Kosher salt or sea salt are easier to work with.

The Process

Step 1: Cut the cabbage

Remove any wilted outer leaves. Cut the cabbage lengthwise into quarters, keeping the core intact so the leaves stay attached. Then cut each quarter crosswise into 1-2 inch pieces. You're aiming for bite-sized pieces that still have some structure.

Step 2: Salt the cabbage

Combine the salt with water to make your brine. Submerge the cabbage pieces in the brine, making sure they're fully covered. If they float, weight them down with a clean plate or jar.

Let this sit for 2-4 hours. You'll see the cabbage soften and release some of its water. When it's done, the leaves should be pliable, not stiff.

Step 3: Rinse and drain

Drain the brine and rinse the cabbage thoroughly with fresh water. This step is crucial - you don't want excess salt in the final product. Squeeze out excess water by hand, but don't wring it like a towel. You want it damp, not bone dry.

Step 4: Make the paste

Mix together:

• Gochugaru (Korean chili flakes)
• Minced garlic
• Grated ginger
• Fish sauce
• Sugar
• Chopped scallions
• Optional: julienned carrots

The exact ratio depends on how spicy you like it. Start with 2-3 tablespoons of gochugaru, then adjust up or down. If you can't find gochugaru at an Asian grocery, you can substitute paprika plus a pinch of cayenne, but gochugaru has a distinct texture and flavor that's worth seeking out.

Step 5: Combine

Toss the cabbage thoroughly with the kimchi paste. Work in batches if needed to make sure every leaf gets coated. You can wear gloves to avoid staining your hands - the chili powder stains badly.

Pack the kimchi tightly into a clean jar or glass container. Press down to remove air pockets. Leave about an inch of headspace at the top.

Step 6: Ferment

Close the lid loosely - you want gas to escape as the vegetables ferment. Store at room temperature out of direct sunlight.

Check it daily for the first few days. You should see bubbles forming, which is normal. Taste it after 2-3 days. If it's tangy enough for your liking, move it to the fridge. It will continue fermenting slowly in the refrigerator, but much more gradually.

The kimchi is ready when it has the tang you want and the cabbage has softened but not turned mushy. This usually takes 3-7 days depending on room temperature.

Storing and Using Kimchi

Kimchi keeps well in the refrigerator for several weeks. It continues to ferment slowly, so the flavor will get more sour over time. Some people prefer it after just a few days; others like it more developed.

Use it straight from the jar as a condiment or side dish. Common uses include:

• As a side dish with rice and other meals
• Stirred into rice or noodles
• Added to fried rice for extra flavor
• Topped on toast or crackers
• Cooked into soups like kimchi jjigae (kimchi stew)

Tips and Troubleshooting

White stuff on top? That's usually a harmless yeast or mold called kahm yeast. It's not dangerous, but it can affect flavor. Skim it off if you notice it, and make sure your kimchi stays submerged in brine.

Too salty? Rinse the cabbage more thoroughly after brining, or dilute the paste with a little water. You can also rinse the finished kimchi briefly before eating.

Too spicy? Use less gochugaru next time. Remember, the capsaicin concentrates as things ferment, so what tastes okay right away can get hotter over time.

Soft, mushy cabbage? You may have fermented too long, or the salt ratio was too high. Next time, shorten the brining time or use slightly less salt.

No bubbles? If you don't see any fermentation activity after several days, the fermentation isn't starting. This can happen if the room is too cold or if the salt ratio was too high. Try moving it to a warmer spot or starting fresh with a lower salt ratio.

Liquids separating? Normal. The vegetables will release water as they ferment. Just make sure your kimchi stays submerged in its own brine.

Why Make Kimchi at Home?

Making kimchi at home is practical for a few reasons:

• It's cheaper than buying jars at the store
• You control the salt level, which matters for health
• You can adjust the spice and garlic to your taste
• It uses vegetables that might otherwise go to waste

Plus, there's something satisfying about turning a head of cabbage into a jar of flavorful, probiotic-rich food with nothing but salt, time, and a little planning.

---

— C. Steward 🥕