For the chicken
1. In a food processor, blend garlic, ginger, lemongrass and red chilli, add a neutral oil to form a paste. Toss chicken thighs to coat and marinate for at least an hour or overnight.
2. Season then sear the chicken on a medium heat until lightly browned. Transfer to a 180 degree oven for 15 minutes to complete the cooking. Cool and slice.
For the pickle
1. Heat the rice vinegar with 500ml of water, palm sugar and 2 tsp of salt until the sugar dissolves. Allow to cool.
2. Use a mandolin or sharp knife to peel and julienne the carrot and daikon. Salt it and leave to drain for an hour one hour. Rinse excess salt from vegetables.
3. Add vinegar mixture to the vegetables and store in a container until ready to use.
For the slaw
1. Shred cabbage and slice cucumber thinly. Add herbs, lime, sesame oil and fish sauce.
2. Add some of the pickled vegetables and a little bit of their liquid and toss everything together.
To serve
1. Lightly toast bread.
2. Spread both sides with mayonnaise and pate.
3. Add a layer of sliced chicken and top with the slaw, serve immediately.