When we were kids, my mother used to bring us to visit our family on the Malaysian border of Thailand during Wesak Day (Buddha Day) or Songkran (Thai New Year). We'd always have Som Tam with our dinner, using the unripe mango and papaya from the garden.
Put all the ingredients except the baby gem lettuce (if using) in a large bowl with 2 tablespoons of the fish sauce and 1 tablespoon of the sugar.
Toss everything together with your hands, then taste and add more fish sauce and/or sugar if needed.
Line a serving bowl with the baby gem leaves (if using), then pile the slaw into the middle.
Serve immediately while fresh. If preparing ahead, prep all the ingredients but mix just before serving.
Try this:
