* 450 g (1 lb) beef fillet steak, cut into 2.5 cm (1") steaks
* 115 g (4 oz) bean sprouts
* 4 or 5 button mushrooms
* Big handful of basil leaves
* Big handful of mint leaves
* 1 lime, quartered for garnish
* Peanut oil for frying
* '''For the marinade'''
* 2 Garlic cloves, crushed
* Zest of 2 limes
* Juice of 2 limes
* 2 tablespoons nuoc mam
* 2 tablespoons jaggery
* 1 lemongrass stalk, bruised and chopped
* 2 small hot red chillies, deseeded and sliced into rings
* 3 spring onions, sliced on the diagonal

===Method===
'''The marinade'''
* Whisk the lime juice and zest, jaggery and nuoc mam until the jaggery dissolves
* (if the jaggery is solid and hard, first crush it with the end of a rolling pin)
* Mix in the crushed Garlic, chillies and lemongrass
'''The beef'''
* In a hot pan with a little oil, sear the fillets for 2 minutes per side, remove and allow to cool
* Cut the meat into thin slices
* Add to the marinade an refrigerate for at least 2 hours
* Blanch the bean sprouts for 1 minutes in just boiled water. Allow to cool then arrange in a large serving bowl with the mint, basil and the chopped spring onions.
* After 2 hours, drain excess liquid from the meat and arrange in the bowl with the bean sprouts

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