Adding peanut butter to the marinade for this beef adds extra richness and flavour to a traditional Thai beef salad. For people with nut allergies, just omit the peanut butter and roasted peanuts. The recipe tastes just as great without them!
Find the fried shallots, Thai chilli jam and palm sugar in the Asian food aisle of most major supermarkets. The palm sugar can be replaced with brown sugar.