This is a series on kimchi. Kimchi is the food of my people. I love kimchi and if you’re reading this, I suspect you do too.
I’m sure you already know, but not all kimchi is the same. There are multiple varieties (over 200!) and every cook makes kimchi their own way.
Then there’s the fermentation process. Kimchi tastes different depending on its ripeness and place in the fermentation process. What is kimchi ripeness? Well, just like you know when a peach is ripe, you know when kimchi is ripe. You can tell by the smell, color, and texture.
Fresh kimchi smells salty, like the sea. The cabbage leaves are crunchy and crisp, while the flavor is fresh and raw. You will see lots of white cabbage and little bits of yellow or green on the tips of the leaves. The spice paste looks smeared on top of the cabbage leaves, a separate element completely.
Fresh kimchi is packed into jars on the day that it’s made. The taste is completely different because fermentation has not yet begun its work. The equivalent is probiotic cultures that have been added to milk; it’s not yogurt yet, although all the raw ingredients are there.
As kimchi ages, the fermentation process begins. Bubbles work their way up from the bottom of the kimchi jar, much the same way yeast works in a batch of dough. After a day or two (sometimes longer), the kimchi has ripened and is ready to eat.
Ripe Kimchi has a softer texture although it’s still somewhat crunchy. The flavor and aroma is strong and pungent. Now that “raw” taste is gone and there’s a new flavor profile: distinctively sour and funky. It tastes and smells like kimchi!
Kimchi is perfectly ripe for the briefest of times. It continues to age and change, deepening in character and moving further along the fermentation process. When kimchi is ripe, it tastes best served at the table as banchan.
We’ve all bought a jar of kimchi and forgotten about it. Months later, we pull it out from the back of the fridge. But now the kimchi tastes, smells, and looks completely different. The kimchi is old and over-ripe.
Old kimchi is soft and fizzes in your mouth. It’s dark red, very juicy, and smells even funkier than usual. This kind of kimchi no longer tastes good when served at the table.
But old kimchi isn’t thrown away. Oh no, that would be like throwing away gold! Old kimchi tastes AMAZING in any dish that requires cooking or stewing.
Old, stinky kimchi is the backbone of the most iconic Korean stew: Kimchi Jjigae. The older and stinkier, the better! Don’t even try making Kimchi Jjigae with new kimchi. Or any cooked Korean dish, really. It will taste horrible!
Interestingly, most recipes don’t specify the age of kimchi in their recipes. They simply list kimchi as an ingredient, with no mention of what kind of kimchi to use. But ask any Korean cook and they’ll agree. For any cooked kimchi recipe, **old, mature kimchi preferred.**
Every Korean has a preference for kimchi that is underripe, just ripe, or over-ripe. Ask your favorite Korean and I bet they’ll tell you. I like kimchi that’s underripe to just ripe. Halmoni and my dad like kimchi that’s a little past perfectly ripe. But my mom prefers very ripe, mature kimchi.
Kimchi ripeness is so important that Korean markets sell kimchi with a date stamped on top. This tells you when the kimchi was packed.
Ingeniously, kimchi is eaten at every stage of the fermentation process. On the day when kimchi is freshly made and packed into jars, we eat bossam: freshly salted cabbage leaves, boiled pork, and a swipe of spicy radish paste. When kimchi is ripe, we serve it on the table as banchan. When kimchi is overly ripe, we throw it into a pot and make delicious jjigae.
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Great post and beautiful photography. Made me crave kimchi now 🙈
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