01 -
Bring a pot of salted water to a boil. Add the Brussels sprouts and blanch for 3 to 4 minutes until they are slightly tender but still firm. Drain and allow to cool.
02 -
In a saucepan, combine white vinegar, water, salt, sugar, smashed garlic, mustard seeds, red pepper flakes, black peppercorns, and celery seeds. Bring to a gentle boil, stirring until salt and sugar dissolve.
03 -
Pack the blanched Brussels sprouts tightly into a clean glass jar. Add sliced fresh chili if additional heat is desired.
04 -
Carefully pour the hot pickling brine over the Brussels sprouts, ensuring they are fully submerged.
05 -
Allow the jar to cool to room temperature. Seal tightly and refrigerate for at least 24 to 48 hours before serving to develop flavor.