1 tablespoon olive oil (see note above)
1 teaspoon whole black mustard seeds
1 Serrano chilli slit lengthwise
5 to 6 curry leaves (optional)
1/2 small head cabbage, finely chopped or grated on the large hole of a box grater
1 medium carrot, grated on the large holes of a box grater
2 tablespoons roasted and coarsely ground peanuts (see note above)
I tablespoon lime juice from 1 lime
1/2 teaspoon sugar
2 tablespoons freshly grated coconut flesh
Kosher salt