01 -
Combine vinegar, sugar, lemon juice, and all seasonings in a large saucepan. Bring to a boil, then reduce heat and simmer until sugar dissolves completely.
02 -
Add pineapple and jalapeños to the pot. Simmer over medium heat for about 20 minutes until the pineapple softens and the liquid reduces to a syrupy consistency.
03 -
While the relish cooks, sterilize jars and lids in boiling water for at least 5 minutes.
04 -
Fill hot jars with the relish mixture, leaving appropriate headspace. Clean the rims, secure the lids, and process in a hot water bath for 10 minutes.
05 -
Let jars cool completely, check that seals are secure, then store in a cool, dark place.