Vietnamese baguette sandwiches

2 large portobello mushroom caps, sliced

4 tsp olive oil

2 carrots, peeled and sliced into matchsticks

2 white radish, sliced into matchsticks

500ml rice vinegar

250ml fresh lime juice

250ml cold water

1250ml chilled lime juice

4 tsp soy sauce

2 tsp Vegetarian fish sauce (found in most large supermarkets and Asian markets)

1 tsp toasted sesame oil

4 tbsp rapeseed oil

4 tsp garlic, finely chopped or grated

10 tbsp caster sugar

10 tbsp cold water

2 fresh jalapeno or green chilli, thinly sliced

Handful sprigs fresh coriander with stems

2 medium cucumber, sliced into thin strips

4 sprigs fresh Thai basil (found in Asian markets) *regular basil will work just fine

4 French baguettes, split lengthways