1. Pickling method: Clean and wash the minnows and mix the salt and potassium nitrate.
2. Place in a clean, dry jar with a close lid for 15 days.
3. Mix the pickled minnows with shallots, lemongrass, garlic and thinly sliced eggplant. Stir slightly just to mix.
4. Shred or crush the chilies and add them to the mixture.
5. Top with chopped coriander and spring onions.