01 -
In a large saucepan, combine apple cider vinegar, granulated sugar, lemon juice, mustard seeds, turmeric powder, grated ginger, and chopped garlic. Bring the mixture to a boil over medium-high heat, then reduce to a gentle simmer until the sugar has completely dissolved.
02 -
Add diced pineapple and sliced jalapeños to the simmering base. Continue cooking over medium heat for approximately 20 minutes, stirring occasionally, until the pineapple softens and the liquid thickens to a syrupy consistency.
03 -
While the relish cooks, submerge jars and lids in boiling water for a minimum of 5 minutes to ensure proper sterilization.
04 -
Transfer the hot relish into sterilized jars, leaving appropriate headspace. Wipe the rims clean, secure lids, and process the filled jars in a hot water bath for 10 minutes.
05 -
Allow jars to cool completely at room temperature. Check seals for proper closure, then store in a cool, dark environment.