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Substitutions · 10 dishes here use it
Out of kimchi
Sour, spicy and funky, and older is better for cooking. The juice is an ingredient in its own right, and frying kimchi hard before anything else joins it removes the raw edge.
Everything below is judged against that job. A swap that covers it is a swap; one that only looks similar is not.
1 of the 10 dishes here that mention kimchi list it as optional — 10% of them. In those, the correct substitution is nothing.
Functional substitution system
Replace the job, then correct the side effects
For kimchi, the page's working definition is: Sour, spicy and funky, and older is better for cooking. The juice is an ingredient in its own right, and frying kimchi hard before anything else joins it removes the raw edge. The swap cards below are judged against that job rather than visual resemblance.
Job → candidate → side effects → small test → correct.
1 · Job
What is the missing ingredient doing?
2 · Candidate
Choose the shelf item that replaces that function.
3 · Side effects
Check water, fat, salt, acid, sweetness, and texture.
4 · Small test
Change a spoonful or small portion first when possible.
5 · Correct
Taste again and move only the axis that is still wrong.
The company kimchi keeps in this library, counted off required ingredients. A swap that argues with the top two is the wrong swap, whatever a chart says.