hot pan with 1 tbspn beg oil. Season beef and pork mince with salt and pepper, add to pan, enough to feed everyone. Cook until crispy, then drain (keeps mince crispy!!)
Add texture, so, new pan with 1 tspn sesame seed oil, add finely chopped red chillies, chopped ginger, and chopped garlic to pan. Add 1 tspn of brown sugar to pan (caramelizes flavours!). Add mince to this.
Add fish sauce to pan with everything in to add saltiness. Add zest of a lime and also juice of 1/4 lime.
Finally, add chopped spring onions to the pan with around 30 seconds to go, then, gas off, and pour over fresh lettuce read to eat.