- 1 medium red onion, very thinly sliced
- 1/2 cup fresh lime juice
- 1/4 habanero chile with seeds, minced
- Kosher salt
- In a jar with a tight-fitting lid, combine the onion, lime juice, habanero and a pinch of salt. Cover and shake gently. Refrigerate overnight, gently shaking the jar occasionally. Drain and season with salt.
The onions can be refrigerated for up to 3 days.