For the crab chips with peanut sauce and crab som tam, mix the ingredients for the salad, add the crabs last.
Put 300 g of peanuts in a pot with the rest of the ingredients for the peanut sauce and cook for about 3 minutes, always watching out.
Put some peanut sauce and crab salad on each chip and sprinkle the crab chips with peanut sauce and crab som tam with the remaining peanuts.