01 -
Combine sliced red onions, habanero peppers, and garlic in a large mixing bowl. Toss to distribute evenly.
02 -
Firmly pack the mixed vegetables into a sterile 1-litre glass jar with a tight-fitting lid.
03 -
Combine apple cider vinegar, white vinegar, lime juice, maple syrup, and kosher salt in a saucepan. Bring to a boil over medium heat, stirring until the salt and syrup have dissolved.
04 -
Carefully pour the hot brine over the vegetables in the jar, ensuring all pieces are fully submerged.
05 -
Allow the jar to cool to room temperature before sealing with the lid.
06 -
Refrigerate for at least 24 hours for optimal flavor development. Shake jar gently after sealing to ensure even brine distribution.